Are specifically they blocking you, or are you stuck in general and they're the closest SWE?
In the first case, it does seem a lot more reasonable to interrupt and trade-off the productivity of the blocker in favor of the blockee. At worst, that's an even trade and at best it incentivizes not being a blocker.
In the second case, I'd rather not create a distributed denial of concentration scenario for SWEs who are rarely stuck to optimize for those who are more frequently stuck.
Disagree. Unless the world is on fire there's no reason to interrupt someone to unblock yourself. Contact them asynchronously or opportunistically. If you see them in the kitchenette getting coffee then sure, ask. If they are walking back from the bathroom, sure, grab them before they resume work. But do not delude yourself into thinking you know more about prioritizing their time than they do.
I agree in principle, but also find myself often doing my best thinking when making coffee or just "idly" staring out of a window, and would find it annoying to be interrupted just because I'm not at my desk. Luckily I work from home.
Yeah this is fair. I was considering the classic wave a hand in my face because I'm wearing headphones at my desk type of disruption but there's so many more variants.
There's another angle here which is that ad-hoc in-person conversations tend to be low value because there's no record. The process of simply writing down a question before asking it goes a long way toward finding a solution.
It's one of the things I really appreciate about working from home. There are no unwelcome interruptions because everyone controls their own time and interactions I do have are higher value because they have been more thoroughly considered.
In the first case, it does seem a lot more reasonable to interrupt and trade-off the productivity of the blocker in favor of the blockee. At worst, that's an even trade and at best it incentivizes not being a blocker.
In the second case, I'd rather not create a distributed denial of concentration scenario for SWEs who are rarely stuck to optimize for those who are more frequently stuck.