Dota Overwatch is broken shit

Below is my story, but first I will write the conclusions.

1. In the Overwatch ban notification, it is not written for what and in which game the person received the ban. Let's assume that the player really wants to improve and become better. And then they ban him without explaining the reason. What morality will this person take? None. It doesn't make any sense.

Like, "- John, this is a squad of volunteer civilian patrols! You are sentenced to death in the electric chair! – For what ??? – bzzzzz pshshshsh"

1. There is no feedback in the game to appeal the overwatch ban. No comment.

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Background: I was sitting, playing in turbo mode. Suddenly got banned from overwatch. The ban was absolutely absurd, because there is nothing to ban me for. However, I took it off. I played a couple more games. And got banned again. Nothing again.

At the same time, during this time I met many people who deserved to die (stayed invisibility under the tower until the end of the game, sold things and bought wards to put them under the fountain, etc.). I complained about them, but not a single complaint was confirmed.