How old is my tomcat user? How about my various docker containers, are those separate OSes?

I didn’t understand, why not use nginx? It has built in support for let’s encrypt by default, you just have to activate it in the nginx config. https://nginx.org/en/docs/http/ngx_http_acme_module.html

“I want to change the radio station, get me a new car!”

Okay, this has nothing to do with parents parenting their kids. It has 100% to do with the perception that the internet is dangerous and using that perception to collect information about people. That’s what they want, to put a name and face to all interpersonal interactions so they can use them for marketing and law enforcement.