Prove it ...

Prove that you understood my comments, don't think, don't assume, don't believe, don't "see", don't "read", don't write. Prove it.

Then I prove, that I understood what I have read.

The problem is that you simply don't believe me that I can grasp the sense of comments I have read - a very normal thing in human communication. OK, I also don't believe that you can grasp what I wanted to say. You have to 'prove' it first.

Flag abuse is so obvious for example if a whale follows an account to flag every of its posts and comments automatically without even reading them.

What about proving that 2 + 2 (really) = 4?

From my side there is nothing more to discuss.

Yes people do that already.

No, they don't. They fear retaliation.