4 ms·The sign is to remind honest people that the lock is important, and we do not appreciate game playing here.by op00to 6y agoThe sign is to remind honest people that the lock is important, and we do not appreciate game playing here.andi999 6y agoIt is ok to put the sign. But not for the person who transgressed to suggest 'why dont you put a sign'thedanbob 6y agoHonest people don’t see a lock and think, “Ok, they don’t want me going in there, but I bet they would appreciate some free pentesting.”