Diseases did not conquer hundreds of tribes. The history of the new world is a one of campaigns of war and conquest against indigenous peoples. The fact that many are ignorant of this history is part of the whitewashing project. I linked some audiobooks below so you can learn this history.

If the nazis won, they would teach you about the shoah in exactly the same way western nations teach you about the colonization of the americas.

That's supposed to make it better?

So? The point is Europeans nearly wiped them out. Disease surely helped but they were making sure to finish the job.

The upper estimates are around 90%. It's likely lower. But even an order of magnitude like that is not "wiped out". Millions of people still lived on the land

Very true, but Spaniards did not know about the lack of immunity from European diseases and never had that intention for erasure of Indigenous. The English, that colonized 2 centuries after the Spaniards, used European diseases as an additional tool for complete genocide on indigenous.