But its absolutely necessary for system stability. Queries into a database that is ~3gb is already system intensive enough, multiply that by having to search for 2-3 letter combinations, it could bring the site to a crawl. The forum software isnt optimized for that type of thing.
We mark threads as resolved in the mawlare removal forum because there is generally an ending point. We ask for a final HJT log and can tell that the user is clean, then we can mark it resolved and close it. Things are not that simple with other computer troubleshooting issues. Rather than have to re-open and change topic title repeatedly, its just easier to leave those threads open.
Its a matter of housecleaning and staff resources. Our staff is already stretched thin with all the people asking for help, to add more to their plates for no real benefit doesnt make much sense.