Most of the people signing that are building systems that they know will be used to manipulate people into, for example, buying stuff that they don't need. Systems that they know will be used to make half-assed decisions about people's lives (even if they're planning to sit around sanctimonously whining about it).

... but trolling 4Chan, that's a bridge too far. Everybody knows that 4Chan users are there to escape from trolling.