"Linux for human beings" sounds like an oxymoron to me, after 5+ years of tinkering with Linux on the desktop. After years of Ubuntu (and Arch, Debian, Mint etc.) I'm not ashamed to say I'm really happy on OS X. Less customisation and more time to focus on actual work/leisure.
Ubuntu is really user-friendly... until you are having any kind of non-trivial problem, which can happen to anyone if they are unlucky with their drivers, the sound doesn't work, etc.. Then you are relegated to copying command line gobbledygook from askubuntu into the terminal, being able to understand nothing about what it does. At least with those tedious "click on X, then on Y when that pops up"... you're able to…
Even with all the problems I perennially run into I wouldn't be able to setup my input devices and working environment _just so_ with another operating system, so I'm stuck with this junk!