Yeah, well...
I don't want to start a ruckus about this but from what I've seen, about 80% of the occupiers have this same mentality and show a lack of basic economic acumen.
As far as the "wacky signs" go, I previously posted 2 different articles where the left admitted to making those type of signs in a practice of subversion.
Believe it or not, I understand and support the original premise of the movement. Unfortunately this is how it has evolved.