Earlier quoted context omitted.
That's pretty much the only upside to that blue checkmark these days. Making anyone able to buy one was a huge mistake, but they will at least do the minium check to see if someone else with that name already has a checkmark.
Will they? I'd actually be surprised if there are many people that, upon receiving a suspicious message from someone who claims to be Joe Schmoe, will actually go and check to see if a different account from Joe Schmoe with a blue check. I think it's much more likely that they're either going to recognize it as a scam right away, or they won't and they'll fall for it. In either of those cases, it doesn't help for the…
also, I just noticed "they" is ambiguous here. I meant "the twitter staff giving checkmarks". At least I hope they do some basic check before handing out a checkmark to an obvious impersonator.