Being the Debian-based distro that's willing to bundle proprietary drivers. For someone like me who doesn't want to deal with driver issues, Ubuntu generally* just works out of the box.
Probably, but that's exactly the kind of research and juggling that I'm trying to avoid. The Ubuntu installer has just has a checkbox that says "please give me proprietary drivers".
Also, to be clear, my asterisk is that Nvidia drivers seem to be no easier on Ubuntu than on Debian (you have to seek them out), and for me they've often caused problems once installed.
The most stable solution to Nvidia drivers on Linux has always been "download the deb when you set it up, hope it was a "good" release, and forget about it for a year until something requires a newer driver.
It always felt like going through the distro's included stuff was a waste of time.
* Looking at you, Nvidia