[ceejayoz]

Some appear to be.

http://www.theatlantic.com/international/archive/2014/08/the...

http://www.buzzfeed.com/maxseddon/documents-show-how-russias...

[ptaipale]

Quite, but I think that most who I meet are not.

Likewise, most of those who spread various 9/11 conspiracy theories are not paid by anyone, they are quite sincere.