Story

I've been lost from the internet space for some time, I remember PhpBB times, own hosted websites, chains that chained pages etc. Now I would like to start blogging.

(1) What platform should I start?

(2) How to not lose to a big player (https://news.ycombinator.com/item?id=41712885)

(3) if possible - how not to allow AI to steal my work?