Earlier quoted context omitted.
Notifications on Slack can be turned off.
Another mental burden to remember to turn off slack notification, and notifications of this other Collab tool whenever I do not want to be interrupted. Also, at least for me, it's not black and white when I need quiet time. I might jot down something, brings another idea and suddenly I have a new idea to fix a problem which has been nagging at me for months and off I go for 10 hours. I won't think about turning off n…
My default is all notifications off. I understand that for some people that's not really an option but for most it certainly is.