

Sounds like Google doesn’t create per-account cookies and uses one cookie set per browser instance, so you’re either logged in or you’re logged out, one account at a time.
Browser containers or profiles might be the answer to what you need.
I’ve been using different Firefox profiles to run accounts in parallel for well over a decade at this point. Containers might be able to do the same thing, but on account of the aforementioned, I’ve stuck with the old way of doing things.



At first glance, sure. But then, strength in conviction and leadership mean nothing if you’re strongly leading your people and your country into ruin.