So you think they should protect civil rights through lobbying while simultaneously profiting off of the erosion of civil rights? What about leading by example?
There's also a matter of business competition. If Amazon stops worrying about profits, leverage, and expansion, that leaves areas that competitors can move in _within their domain_. This is why it seems all the big organizations behave sociopathicly: it's required to be on top.
Laws are designed to create limits on corporations to explicitly express how big businesses can behave, and it's not the businesses fault that those laws haven't been keeping up with the times.