I don't know why would you want to set everyone on same task.
Viewing post in 0.2.0a common bugs, and some suggestions.
Presumably to rush finish crafting items or upgrades regardless of how effective or efficient it's accomplished. I'd personally rather have the ability to select a group (like Shift+click) then assign to assign/manage 3-4 people at once rather then all, but that would be a singular button. It kinda feels like occupation should have it's own management window, particularly with how travel occupation tends to stick rather then remembering last occupation.