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.
Sorry to hear sir. I know we all are separate vendors trying to make a living, but within that there can still be a certain level of humility, respect and unity. Wishing you bright future.