we do not share your data with anyone and there are many ways to control the visibility and storage life of your data here.
but the internet is a public space and you should always assume your data could be compromised.
be smart with your password, use tor or a vpn, and use pgp for sensitive communications.
Beware of false prophets buddy.
This guy pretends to be something he isn't.
Again, happy to be corrected by MrSpock, but as far as I can tell he's a snake in the grass.