Forum users tend to prefer long-lasting discussions, which is not the case on Lemmy/Reddit, where threads are forgotten after a few days.
If you want to be able to add custom engines directly from the settings, in about:config add browser.urlbar.update2.engineAliasRefresh and set the value to true, after that you should see Add button in about:preferences#search
Edit: nvm, there doesn't seem to be field for suggestions...
Edit2: There's also https://mycroftproject.com/, where you can try to find the search engine you want.
Not sure, but the alt text for that image seems to be "French drama Anatomy of a Fall relied on regional exclusivity in its financing and distribution across Europe."
Can't you just use ChatGPT in browser?
If I had a community, I would probably try to keep the number of pinned posts to 2-3 max at a time and more only if absolutely necessary.
It should also be possible to login to same account in different containers unless the website prevents it somehow.
Constantly causing brain drains will probably not help either.
If you can't open someones profile, try to find one of their posts/comments and block them from there:
I'm getting gateway time-out errors.