You might still need humans in the loop for many things, but it can still have a profound effect if the work that used to be done by ten people can now be done by two or three. In the sectors that you mention, legal, graphic design, translation, that might be a conservative estimate.

There are bound to be all kinds of complicated sociopolitical effects, and as you say there is a backlash against obvious AI slop, but what about when teams of humans working with AI become more skillful at hiding that?