I have been there before. My buddy and I went there to buy the STUN Runner in that second picture. He had everything on when we went, and we played a few games.
He does have a mame cabinet, it is the cabinet next to the tv in the last picture, the one with the unfortunate button layout.
Those pictures are a couple years old if anything the gameroom is a little bit better now. His gameroom is pretty much twice as good as mine.
The only pin I remember him having was a Baby Pac and the playfield wasn't tilted enough, it was way too easy.
The story is completely bogus though. The guy's son had absolutely nothing to do with the game collection at all. It is his dad's collection and his dad fixed up the games, his son did nothing but post some pictures on the internet.