I'm thinking they mean there's outside circumstances which lead to them not being able to post securely.
I'm not worried about it, thanks for coming here to give us what information you can.
There's no reason to believe it's not CF itself.
There's also no proof.
But a lot of people have long had their suspicions about CloudFlare.
If we are reaching endgame, and I expect that we are, it would make sense for them to use this tool now.