Windows 7 is becoming ubiquitous and offers a simple software RAID solution within the OS. Modern desktop Linux distros have good software RAID capability as well.
But mid to high end motherboards still ship with fake RAID chipsets.
So why are these multi-billion dollar hardware companies wasting money developing and building fake RAID chipsets?
Do situations exist where the fake RAID is useful or even desired? When would you ever want to use the motherboard's on-board RAID?