None that I can think.

They’re no slower from what I see on daily use and both are privacy focused.

They can remove adblocks all they want.

Private DNS will still exist, there’s at least two that have noads DNS, Mullvad and LibreDNS.

They work in most browser’s/devices etc.

You can try a private DNS, easy to set up in Android and blocks ads in most apps and browsers

Libredns

Mullvaddns

Is a distinct possibility.

Even now I come across US sites which don’t work because they don’t want to have the whole GDPR compliance for EU members, which is usually overcome by a simple VPN to Canada/USA.

Funny thing about this is that the very people this is supposed to protect are probably far more tech savvy than the dinosaurs writing the legislation.

Torrent sites are blocked in UK by most isps , does it stop torrenting? No. And this wont work either it will just restrict the internet for the majority to “protect” the minority.

So long as you trust that no means no.