you're talking about touring pros...they make up about 0.01% of all the disc golfing population. And who are you defining as a tournament player? I'm a tournament player - as are a lot of people on this board - and most people don't carry more than 10 different molds.
most golfers only need a couple of types of disc. minimalism obviously isn't necessary, but there is no need to start building your bag by picking 12 different molds. Keep it simple first, then fill in the extra slots later.

