What do you think cloudflare is? This is just them coming out with it now.

Also MITM? The comment you are replying to in no way implies that this is the only MITM.

Since they masquerade as example.com with an https certificate that your browser will trust: yes.

It is much more convenient to catch the fish that eats particular sort of worms putting such worm on a hook than finding the right fish among many others in a fishnet.

I am not claiming the OP ist right or wrong.

I am merely explaining what MITM is and what the OP meant.