Yes, but what they're saying is that even if the site worked... you're handing over any data that would otherwise be normally encrypted by TLS... to cloudflare.

Yes, but what they're saying is that even if the site worked... you're handing over any data that would otherwise be normally encrypted by TLS... to cloudflare. Signing in to your bank website who uses CF? Now CF has your password too. Buying something online? They have your credit card now. Etc.