Quoting the top comments from that video, not even cherry-picking:

 [Please explain] in-depth, what differences you are hearing and where you are hearing them

The “320 kbps MP3s” [used in the test] are either poorly encoded or possibly recompressed

I can only tell the difference on songs that I know.

It's usually the highs where the difference is

(Meaning that the difference is only audible when you’re quite young.)

please make a video on the differences you hear! I can't recognise them at all

This is such a flex

please show us what you're listening for!

This should give you an idea that this guy’s performance is not ordinary, and certainly out of the leage of “anybody with a pulse”.