I'm not sure what you are trying to say - hopefully not that there weren't any unwilling collaborators?
Read the biography of Stanislaw Lem for instance, who grew up in Lwów(current Ukraine, back then Poland) - Nazis frequently recruited local population to both kill and then bury anyone they wanted to get rid of, under a) promise of reward b) threat of being killed themselves. But you don't need to trust the biography of one man and his experiences - we also know this because Nazis kept extensive video and photo evidence of those executions, which they would show back in the 3rd Reich as "evidence" of the barbarism of the local people in places they were occupying ("look at those stupid Poles/Ukrainians/Jews, killing each other for a scrap of food!").
"Well, there were even Jewish collaborators, in fact, quite plenty of them."
Again, because some of them were given a choice of either joining the ghetto kommando unit, or being shot there and then, along with their families. It didn't matter at all in the end of course, because they all got executed in the end anyway. Can you say with with 100% confidence that you wouldn't make the same choice in the same situation? And I do mean 100% confidence?
Polish nobelist, Wiesława Szymborska, said something about these choices people faced in WW2 that I will always remember - "we only know ourselves as much as we have been tested - and I pray that my moment of trial never comes".
I think she's absolutely right - it's easy to judge what people have done from the comfort of our homes in 2021. But I do hope that I am never put in front of the same choice. I hope I will never be tested in the same way those people were.
And I will clarify here - of course there were willing collaborators too. 100%. But your comment reads as if that wasn't the case and the "myth" of unwilling collaborators was purely made up. I see no reason to believe such a thing.