That, and I found somewhere it wants to use all my data for training, which was a non-starter. Unfortunately I couldn’t find that page any more after the first time I found it.

That just redirects to an FAQ page with instructions like "If you get X error, then..."

There is no error, it just redirects me.

Fail.

Weird, it should go to a login

try: https://aistudio.google.com/app

Same result. Redirects me to here: https://ai.google.dev/tutorials/workspace_auth_quickstart

It might be disabled for your organization.