Hello again,
I thought I did share the actual error (screenshot) but either way, I get that other providers also have issues.
The problem is that they are all wrong in the end. Cloudflare is one of the biggest and most respected hosting providers in the world and of course, some bad apples host bad files on hosting setups like that. But it's wrong in my opinion to flag the entire domain for that. This means in the end that 99% of innocent clients have issues and the entire hosting service is rendered useless. Instead, only single URLs should be flagged if something was found.
But I doubt there is a solution.