In regards to users being able to ask modstaff to just lock their threads, a valid reason should be presented. By valid reason I don't mean "these two guys are gonna fight, lock pls" or "someone posted something I don't like, lock this!" You being the OP doesn't mean you should be able to cut the discussion at your discretion, as the decision should be on the modstaff as to weather or not OP's request is valid.