I am using this extension https://github.com/null-dev/firefox-profile-switcher it seems to work pretty well, I just switched back to firefox after a decade with chrome, now that they dont mind being evil I am not going to keep using their products.
I thought the same as you until I checked and saw that /r/programming is back. That is a professional resource whose merits outweigh the ideological ramifications
I am using this extension https://github.com/null-dev/firefox-profile-switcher it seems to work pretty well, I just switched back to firefox after a decade with chrome, now that they dont mind being evil I am not going to keep using their products.