You can say and believe anything so long as you don’t allow facts, evidence or logic to get in the way.
We mostly differ on criteria and perspective about what is admissible about truth evidence.
You appear to have absolutely NO appreciation for the FACT that it was the most fringe, flakiest groups that first and most accurately published who Hitler was, what he would do, what he would become.
Enjoy your addiction to false positive error avoidance. It will continue to set you up to be bitten hard in the rear by false negative errors--you evidently have a backlog waiting in the wings.