Yes. Very true about the infectious diseases wiping out Native Americans.
Another rebuke…
When I learned about Native Americans, we were taught that they saw the sail boats headed for their land but since they had never before seen such ships (and it was beyond their comprehension to expect humans traveling towards them), they believed the ships to be sea creatures.
For weeks and possibly longer, Native Americans watched the ships, or sea creatures, approach land. —This information goes against the claim that Native Americans didn’t live on the coast.