It is for MAME ROMs and Software Lists ROMs it's just that very few people know how to deal with it, but luckily, I know how.
I realize people make the excuse that space and drives are cheap, but that doesn't make it right to shit on the most superior option.
I have about 40 or 50 drives here and still feel like my backups are weak. There's simply too much to backup & preserve regardless how low prices are and availability options. There's absolutely no reason to not use the superior option.