The one you're addressing is crazy, probably a grandma, and was too annoying to be Hall Monitor in elementary school. Let her have her little fun – technically she isn't hurting anyone. She just looks like the silly old lady she is.
Seems to be working exactly as intended on you
Reminds me more of Obama's speech modulation; or a lame-ass attempt at mimicking lame-ass speech modulation. I can't stand watching him speak – but it also freaks me out that other people can't see through it and actually think he's the great Democratic hope. Then again…that makes him a bit of a gift to Trump so whatever