Gabriel Jesus left for Barcelona on a deal worth an initial €10 million, with a further €4.5 million riding on how useful he turns out to be for somebody else, and nobody at the Emirates seemed particularly moved by it. That is probably correct. He had not been central to the plan for a while, he was a good squad player when fit, and his departure frees wages, a squad slot and however many first-team minutes Arteta was rationing him. Sensible business, filed and forgotten within a news cycle.

The arrivals told a louder story. Piero Hincapie's loan from Leverkusen made permanent, Illan Meslier and Christos Tzolis in from Club Brugge to close out July, then Bruno Guimaraes from Newcastle and Ezri Konsa from Aston Villa in August — the last two of those debuting together in the same match, a 1-0 win at Villa Park that Arsenal had lost the previous season. Guimaraes made 2,401 forward passes before he ever kicked a ball for Arsenal, second-highest in the league behind Bruno Fernandes, and it showed inside twenty minutes. This is a champion side reloading rather than resting on it, and there's a version of this window where that's the entire story: five serious additions, a title defence properly resourced, business concluded by the end of August rather than dragged into deadline-day theatre.

That's the strongest version of the argument, and it deserves saying plainly before anyone starts picking at it. Andrea Berta cleared the decks — Trossard to Besiktas, Martinelli to Al Hilal for a club-record £60 million, Jesus to Barcelona — and reinvested in players who improve the XI on sight. Eberechi Eze and Noni Madueke were already being lined up ahead of Martinelli on the left before his future was even settled, which suggests a squad that had internal answers ready rather than panic dressed as strategy. Selling players for fees instead of letting contracts wither is basic housekeeping, and Arsenal did it well this summer.

Except the housekeeping had a second bill nobody sent to the same address. Fabio Vieira's loan to Hamburg became permanent. Ethan Nwaneri, nineteen years old and the most convincing academy graduate to force his way into first-team conversation since Bukayo Saka, is heading to Borussia Dortmund. UEFA rules mean Arsenal cannot even stop him lining up against them when the two sides meet in the Champions League on November 24 — which means the club's own supporters may spend a European night in N5 watching the kid they just let go do exactly what they always hoped he'd do, in the wrong shirt.

Here is the part the successful-window narrative skips over: Arsenal spent the summer chasing Morgan Rogers, then Vinicius Junior, then Julian Alvarez, and landed none of them. The marquee forward signing that was supposed to justify moving on from Jesus and Martinelli never arrived. What arrived instead were upgrades in midfield and defence, genuinely excellent ones, while the attacking gap that Nwaneri and the departed forwards might once have filled sits there unaddressed, and the young player who could have grown into it is now in the Bundesliga.

Project Youth was never a marketing phrase, whatever the corporate copy has since made of it. It was a promise the club made about how it would behave when it had a choice — that a teenager who forced the issue on the pitch would get the pathway to prove it, not get moved on because the sporting director missed on Vinicius Junior. The bloke behind me put it simpler than I'm managing here, right after the Nwaneri news broke: "we've sold the kid to buy the gap he was supposed to fill."

None of the individual academy departures looks indefensible in isolation. Vieira had plateaued. Nwaneri is nineteen and needs a run of matches Arsenal, mid-title-defence, may genuinely not have been able to offer him this season. That's a real constraint, not an excuse invented to protect a myth. But a club doesn't get to claim both halves of the sentence — that it develops its own and that it had to sell them because the market failed to deliver what it actually wanted. Pick one.

I keep a private ledger of what the club tells me to feel about a transfer window and what the squad list actually says, and this summer the gap between the columns has widened rather than closed. Arsenal.com calls Konsa a "maestro at the back" and Hincapie "defensive dynamite," and both of those are probably fair descriptions of two good signings. What the copy doesn't mention is where a seventeen-year-old on Hale End's books is supposed to see his route to the first team now that the door swings the other way — outward, to Hamburg, to Dortmund, to wherever the next fee lands.

Arsenal are the reigning champions with a stronger midfield and a better defence than they had in May, and that is not a small thing to say about any transfer window. What it isn't is proof that the promise to the kids still holds. That gets tested on November 24, at the Emirates, against a nineteen-year-old in the wrong badge.