A moderator quickly closed my topic I put much effort to write while a regular user(?) changed the title and the meaning of three(!) of my topics

Noone is being censored by shortening of titles. Whatever content is in the title could be and should be in the body of the post. It presumably could still be edited in to the body of the post by the person who created the post.

No forum user is being targeted. Badly titled posts are being targeted.

But look if Purism jumps in and says “leave 191 character post titles alone”, that is exactly what I will do. And if they think the opposite, see next: