Other forums offer different levels which is directly tied to the level of usability. Most offer more space for pictures hosted, PM levels, etc... I moderated the S2000 forum for years. There were enough things to worry about on a daily basis, than having to worry about editing peoples topics, posts or titles.
So yeah... if you're not going to do a job right, either because you're just to lazy or you're don't know how... then yeah, don't touch it, because then someone has to clean up the freaking mess you made.