> Not everyone is glued to their computer.

That’s what out-of-office automatic replies are for, which will include information on what business day you will be back, and often will also specify who is your substitute while you’re away.

It’s standard practice for B2B communication.

It’s standard practice for people who aren’t out of office 350 days a year…

"Out of office" just means that you don't access your work email. If that's the case for 350 days a year for you, then the discussion is pretty moot anyway.

I do access it, I just don’t have time to reply to non-urgent email within 24 hours…