Synchronous communication costs just as little, and it's vastly more disruptive. I've done all the things you mention, I guess the fact that I can easily turn o

Synchronous communication costs just as little, and it's vastly more disruptive. I've done all the things you mention, I guess the fact that I can easily turn off email makes me not care. Sure someone can callously waste my time with an email.. And I can callously delete it. Plus, if I think an email is a waste of time, I can just not respond.