Everything you don't agree with is 'FUD'.
No. If anyone is going by that 'rule', then is the "people" at /r/btc. The people there keep focusing on negativity instead of the good news. Someone even justified this in a post recently.
It's a fear instinct, it's like you put a bunch of sheep together in a pen and they start to scare eachother with wolf conspiracy theories.
If you look closely you would notice that a lot of people are sheep (more than I've exepected). Additionally, all you need is a good story to convince them.