Not turtles its A'holes
" This is all down to money and shareholders,"
I think it's worse than that, I think it is also down to egos and a sense of superiority, not only Zuck's but all the way down.
They all think they are part of somethiing special that goes beyond mere rules and laws so consequently are reluctant to bow down to either the law or public opinion unless the reaction is extreme.
Farcebook is not the only one, Uber as another example has no sense of compassion either for it's 'Employees' or the customer, maybe they all take 'Disruptive ' too seriously.