Those games are a grain of sand in the infinite desert that is the indie game world. The vast majority of indie games on Steam are barely even noticed by anyone.
Schedule One sold more copies than a brand new Assassins Creed game at launch on Steam, Minecraft has sold more copies than most AAA games, including GTA 5.
Yeah, sometimes I look back and think: Why didn’t they just choose to build a genre defining game? Next you’ll tell me that instead of just buying Bitcoin at $1k they chose to make yet another game.