Right, the point of the 4 day work week is that it will become the new standard for full time work, rather than the current 5 days.
So all your points are kind of moot, as they will ideally be addressed through cultural changes, employee expectations, or regulation.
Yes, because I want my friends (who aren't tech orientated) and interest groups (which aren't tech orientated) to be on the Fediverse.
They're always complaining about this, that, and the other about the big platforms but they have so many hang ups regarding Fedi software, so they don't use them.
A lot of it is perception, but you have to try and make it so people don't have those perceptions or break them.