For the same reason it's not my job to make sure my food doesn't have arsenic or lead in it, or for that matter to avoid buying from corporations that propagate bird flu.

In many ways, privacy violations fit the public health model better than the user features model - my privacy can be infringed upon through no action of my own if a contact of mine fails to secure theirs. Surely I shouldn't be expected to carefully vet and interview all acquaintances, neighbors, third party partners to my grocery store, security cameras I happen to walk past, and friends of friends to make sure they follow best practices?

Right now you can't drive on public freeways without commercial entities capturing your license plate, and they can retain it as long as they want and do whatever they want with it, as long as it has the potential for profit. That's not the world I want to live in.