It doesn't really matter what their reasons are. Having the data is a liability. The author explained one scenario where these things can go wrong. Another is i

It doesn't really matter what their reasons are. Having the data is a liability. The author explained one scenario where these things can go wrong. Another is if they're hacked. Or if they're purchased by a larger unethical company. Or if they accidentally keep the data in an open database on an Amazon cloud service. Or a million other scenarios.