To the degree that anything is 'wrong', it's your argument. You haven't experienced a thing even indirectly, therefore, you conclude, anyone else who claims to have experienced this thing must be lying (at least to themselves) to make themselves feel better about bad actions which harm others. This is just cynicism.
Your argument also requires the hidden assumption that the person making the claim you disagree with (specifically me), was the person performing the action rather than the recipient of the action. While it is true I have ended relationships (including permabans), it was by being the recipient of such endings that I came by my knowledge so this assumption in a practical sense is false.