I think they meant 1-2 million years, which is how long ago homo erectus appeared. ~2 hundred thousand years is the age of homo sapiens.

I prefer to imagine that either there was no Cretaceous extinction, or that some Troodontids survived it, and went on to develop more useful forelimbs & human-like sentience. Imagine if we were reptile-bird people instead of primates.

No sweating would kinda sucks. Heat management is one of our major strong point.

You wouldn't need public transit!