Hey, don’t knock customization as a reason. A couple of decades ago, I was sold on Linux by silly Beryl/Compiz videos such as this one:
https://www.youtube.com/watch?v=038RHEGu4OY

Btw, mineclone2 also rebranded as Voxelibre, months ago, and for the same reasons. Voxelibre now actively moves away from copying Minecraft exactly.
If you want the closest copy (and my personal recommendation) check out Mineclonia.

Valve is holding the carrot, Microsoft the stick.