Man, I thought cloudflare stood in front of individual sites. When did they start becoming a filter on an individual’s web connections?

CF is in a position such that if they aren't cooperating with national laws, then they are actively hindering them. National governments don't like that, and will have ISPs block CF wholesale if that's what accomplishes their goals.

Eh, they can't block half the Internet.

To operate in Belgium, they have to follow local laws and comply with legal orders. They either make the site unavailable to local IPs or leave that market.