Tuor: Stuff is our resident, hot mess, alcoholic. Senel: Stuff is the patron saint of getting shitfaced. You replaced your organs with an engine that runs solely on alcohol. Tuor: You foolish fools, no one can tame the stuffaluffagus!
And the number one reason to lock the thread is... Once a thread reaches 1k pages, it gets affected by a forum bug that causes threads that size or bigger to suffer the risk of being deleted without anyone doing a damn thing. And that's why the thread needs to be locked, no questions asked.