Indeed, knowledge can't guarantee getting rich, but it can guarantee losing less money. Not only is it useless, but it's also not very creative—someone already built a CPU in Minecraft a long time ago. Sure, it's fine for pure entertainment out of boredom, but it won't change the world, it can only change the distribution of MEME players' wallets. In an era where rockets already exist, someone made a bottle rocket and called it a new type of spacecraft.