From what I understood, one big difference which makes this one worse is that it is using unpublished photos. Which can include works in progress, finished work under non-disclosure agreements, and even intimate things like personal nude pictures. It's more than just lacking consent or opt-in or licensing; these are files which shouldn't be available to these models (or to the public in general) at all.

Yep, the problem is they are providing the illusion of privacy and violating it. They should just make everyone’s cloud storage public access for viewing if they want to treat it like public data.

This is a key question. What Adobe's doing is incredibly anti-creator but arguably better because you can at least opt out. There's a lot of cognitive dissonance and hypocrisy about this right now even in communities that should know better.