Python’s creator and BDfL works at Microsoft.

Would you recommend running another Fediverse microblogging software like Pleroma or Calckey? They can use/interact with all Mastodon features just fine. The issues you found…were they Mastodon-specific or Fediverse/ActivityPub in general?

If you just want a separate session, container tabs will do. No need to create a new profile.

For Chrome, you can also just create a new profile.