Because that's expected behavior from known scammers. No one is surprised and frankly, not much people outside of our circle really know or care to know who or what ripple is.
Greenpeace however has a reputation and if you stop 10 people in the street, chances are 10 know what Greenpeace is, and more than 5 have a positive outlook of them. That's why the heat is going mostly towards Greenpeace.