The CEO of Dropbox is listed as a founder of FWD.us:

https://en.wikipedia.org/wiki/FWD.us#Keystone_XL_oil_pipelin...

I agree that Google contributes to undermining online privacy, but I still don't see Dropbox doing more in that regard. I'm sorry, but I really am not a fan of Dropbox after my experience with them, so I am inclined to be a vocal critic of their service (or lack thereof).