A pattern I observe over and over again is that at PMSE it's basically impossible to get question closed unless one of moderators kicks in. There's just too few people who care enough, or understand enough, to vote for close, even if we deal with exact duplicates or very similar questions.
Recently I brought a couple of such examples here:
It basically means that, unless additional actions are undertaken, questions remain opened, people answer them and so on. As my goal would be to close or merge such question a means to this goal is throwing such examples to meta where they get moderator's attention. So far it seems to work. The question is: whether it will be considered spamming. Maybe we should use another tool which I'm not aware of?
By the way meta is almost dead anyways so it shouldn't be much of the problem, but maybe it's just me.