If you only watch these videos you might walk away with the impression that it is that simple for him - just walk up to the lock, pick it in 30 seconds and bingo - but in one of his earlier videos he pointed out that before recording a video he practices opening that particular lock until he can do it reliably.
Sure, but 90% of the locks people use are the same few locks. Any padlock or door lock you can get at a hardware store is one that a good lock picker has experience with.
Your point is valid for certain high-security situations, though.