All you could find were three videos with over 10k views? Look at Preston's video:Over one million views, with a good portion of the comments: "Make more money walls". Which, some of them were posted two-three years ago but most were posted four years ago. He also made another Money Walls video which got just under eight hundred thousand views.
I don't understand how the game was unpopular. It never took long to get into a game.
The guy has an almost 11 million subscriber channel. His fanbase would watch him play any game; it really doesn't say anything.