I mean if even one of those just shuts down service in or for Portugal the entire Internet is fucked instantly.
Yes, but what if the govt just politely tells them “look, we’ve a law about piracy and we think you should block websites at the DNS level like our ISPs are doing”. Do you think Google / Cloudflare will fight it? They already have mechanisms for that in place for parental controls etc. so… the effort of adding a block list for a country shouldn’t be a big deal.