What’s up with AI’s vision

This week I’ve read 2 pieces of interesting information:

This is a puzzling to me. I find it much easier to find staircase in Pokemon Red than to figure out where s photo as taken.

Reading about the first example from Scotts post. I guess there are not that many featureless plains in the world. But can it really tell types of grass growing there? But have issues identifying doors /​ staircases in Pokemon Red? Seems weird.

Do we know what’s up with all that?