[thatlongthrow1]

This is the correct comment, they purposefully block Cloudflare traffic due to them not forwarding user data.

They stated they need it to stay in line with the law but they can do that with things like the user's IP. To go that far to insist on getting a specific type of user data is sketchy.

[dylz]

They do quite a bit worse on top of that, ctrl-f pixel.archive.is in view source when you visit any archived page.