Again, I agree with the reasoning for libraries, devTools, infrastructure etc given that those libraries end up in commercial products. However in the case of full fleshed enduser applications AGPL is a great protector against the amazons of the world.
As an end user, I'd rather not use GPL3 software that has a carve out that enables the software to be used by privacy hostile service providers that routinely force-upgrade their user customers to worse versions of their systems, but that prevents people from just sticking a customized version of the software on a gizmo and selling it to me.
After all, I can least air-gap and not upgrade most gizmos.
Anyway, I wish they'd rename AGPL to GPLv4 so the infamous "or later" clause applied to it.
Depending on the side your choose, could you explain a bit more on how and why Affero helps or does not help in the 1990s purpose of original 1990 license?