On a tangent subject, 2FA is open standard and you can use freedom and privacy respecting apps to login to github like FreeOTP+ or similar. You may find them on f-droid.

Edit: typos.

Well maybe Lemmy does have federation with Peertunr to some extent be cause all is on the same base. To be confirmed.

6 post per hour is too restrictive in the first place. Maybe a post each 15 to 30 seconds is better.

That is what I do, but often times forget to do so.