> Denying that the ruling Russian oligarch is corrupt is not credible without big proof, which was not provided.

It's about Putin and you need proof for this claim (against Putin) and not the other way around. Proving a negative is pretty much impossible in this case.

> I assume you think navalny faked his novichok poisoning or do you at least admit Putin is ruthless and attempts to poison his enemies.Putin’s henchmen poisoning navalny is fake in your opinion right?

Red Herring.

> A bunch of unsupported statements against widely believed concepts ...

Appeal to the people.

PS.: I downvote nothing.