Yes, it is true that new ideas need criticism. However, if one is almost always critical of new ideas, especially ones that push beyond your wheelhouse, then th

Yes, it is true that new ideas need criticism. However, if one is almost always critical of new ideas, especially ones that push beyond your wheelhouse, then that is a problem because you'll never innovate. PG lumps it with haters and trolls because that's what being a negative person entails. The point is the extremity. There is nothing wrong with being a hater, proportionately, as you can only love something if you hate its opposite.