I agree on this, imo POS is better, let's see how it goes with this coin, you never know.
Nope,
But I notice you ignored the Question.
FYI: LOL, You claimed Galvin knew it was a problem, so you made him an authority in your post , which his own words refuted your post. 
No. Gavin is a fool. I referred to him only as he is the author of said proposal/implementation.Actually you were trying to use him to make your point, see when you change your opinions from one post to the next.
Lying causes that to happen.
It starts even at 2 MB. Please look into the original Bitcoin Classic. Gavin knew this was a problem, that's why the original proposal in Classic had additional TX size and sigops limitations (if I remember correctly). The higher you go the easier it becomes to attack via this vector.