If not for Anakin being a greedy dumbass, i’d blame his fall completely on the prequel Jedi. They did everything they could to make him bottle up his feelings and be afraid of them, separate him from his only family and teach him that human bonds of compassion and affection were abnormal.
The Jedi were like a weird cult.
Had he been freed as a slave on Tatooine, he either would have been a pilot on a freighter making grain or water shipments, or a moisture farmer if not conscripted into the Imperial Navy. And probably not become Darth Vader, though its hard to say.