I never said the contrary, but there's a lot of "basic" things you need to setup on your own and that CloudFlare (or any equivalent) does out of the box: cachin

I never said the contrary, but there's a lot of "basic" things you need to setup on your own and that CloudFlare (or any equivalent) does out of the box: caching, SSL certificate, basic analytics, filtering bots, etc. Add all this together and you have an extremely not basic setup at all anymore.