autorizo

Fastmail has mail/calendar/contacts with caldav and carddav support.

What are the materials/companies?

Intuition i think much more data driven than you say. I think probably it’s just subconscious calculations

You nailed it, we should not use public data for important things like this that could result in fraud.

Stop it. You’re either a paid propagandist, you are an unwitting soldier, or you are knowingly fighting a culture war. Just stop it’s gross and unbecoming. if you are being sincere, I apologize but you still need to stop. Stop watching videos like that that are meant to make you mad, ignore people who are just trying to steal brain cycles from you, and for the love of all that is good don’t go reposting them; you are benefiting the person in that video and giving them exactly what they want and in essence agreeing with their entire perspective. Stop it.