well, you could also see it as a mis-informed person that thinks something of a product because this person does not know what he or she is talking about, and thus makes a claim wich is not true.

ALWAYS LOOK ON THE BRIGHT SIDE OF LIFE!!! tadum tadum!!!

as i said, there is not a single adware / spyware remover that takes it all, so that's why ppl invented Hit Man Pro, wich uses all the good and tested ad/spyware removers, it takes out one **** load of crap and even then maybe not all.