It feels like more than a coincidence that the flavor of "security" that comes out of these companies hinges on infringements of ever increasing amounts of their users' privacy.

> Even if you don't trust them fully, they're not some random shady website that's likely to leak your number or use it for advertising.

The last few years of leaks and hacks say that trust should never be implicit. Every company has the incentive to use your data for profit.