I cannot like this hard enough.
He has a really big point. Literally, the sole reason people want kernel access is so that people can pirate games. Literally, that is all. I'm pretty sure usermode is perfectly fine as it is, I don't see the problem with being limited on such a limited system for homebrew. As long as it works, it works.
Imagine a PS3 CFW / Xbox / Xbox 360 / Wii / PSP / without rom loader ! it would be ridiculous.
of course would be ideal a CFW that does everything including backup