Out of the 82 systems the local Walmart got, 5 were returned, all for the same problem - power supply.
That aint' too bad for a $199 PC. That being the case, I wonder if the other 77 PCs actually ended up being used.
OSes are like political parties. There are two that people know about, one is really liberal, one is somewhat conservative, and 99% of the public don't realize or care that there are others besides the big two.