Believe it or not, the place has its own Facebook page. The food must have been good, or it was just one of those places that filled a particular need at a particular time for a particular demographic. They remember it as something special, because it appeared at a special time in their lives. You were a teen, and it was a place to hang out - you couldn't go to the Waterloo Lounge, yet.
Then it closed and you were sad.
At least the kids who came of age in the 50s and 60s had interesting looking structures to lament. This is everything wrong with late 60s / early 70s architecture. It looks like the box all their bad ideas came in.