To be clear, I never used the "genocidal" label, but imperialist dictator does apply. You yourself say he led "the faction" that carried out "repression", admit it was "terrible", but then in the next breath you act like he had no responsibility.
You also say:
If it wasn’t for the Bolsheviks, Makhno would have rotted away in prison
That's like saying, "if it wasn't for the people who wanted to kill him and put him in prison, he would be in prison"; followed by:
and Ukraine would have been crushed even more harshly by the actual imperialists
"More" and "actual" don't really fit here. In the same breath, you admit they were imperialists, but then essentially argue they are not true imperialists because it could have been worse.
Your entire comment is essentially trying to take everything that was bad about the party and their rule and separate it away from Lenin - the leader of the party that was ruling - and act like it was all done by a separate faction existing in a different reality; specifically you try to pin it all on Trotsky, who Lenin wished to appoint as Vice-chairman, and who historians believe Lenin wanted as a successor.
I already said this in reply to your other comment, but I'll repeat it here.
Lenin appointed Trotsky as Vice-chairman, and it's believed Lenin wanted Trotsky as his successor; you can't just shift all blame from one to another and pretend Lenin lived in a different reality when he was leader of the party.