Macs never have to be restarted. Sure they do, but not as often. PCs are more crash-prone, particularly older hardware running newer OSes and applications. Ask anyone trying to run OS X on a 1999-era Mac if they have trouble with it (or if that's even possible) and you'll be comparing apples to apples. Now new PCs may indeed be less stable than new Macs, but modern PCs honestly don't crash constantly and when apps do crash, Windows is much better at recovering without a reboot than it used to be.
I run OS X on circa 99 and 2000 hardware all the time. Works flawless, if only a little slow when short of RAM.
The ONLY time I've ever made OS X unstable was when I attempted to manually remove quicktime and downgrade it so I could use a older codec I need. Only time.
Networking is easier on a Mac, as is adding peripherals. The ad begins with the Mac and PC holding hands because, true enough, you can network the two platforms together without difficulty. Then a digital camera (represented by a Japanese woman) joins the network. And it "just works." Never mind that you don't network a camera the way you do a computer, but I'd argue that far more peripherals are compatible with a PC than with a Mac. As well, I've seen countless computers have trouble with Bluetooth connections, even using Mac hardware with a Mac computer. This one's just plain wrong.
Again, this guy's grasping at straws. All HID devices work on the mac, so that means almost every single peripherial and input device you have works natively. Apple's HID and USB management is superior to windows, if you've had to troubleshoot both. VID keys can DIAF. Regardless, the average peripherial will work natively on the mac, and most of the time, the way it handles USB will make it a superior experience for the user.
Also, EVERYTHING has trouble with bluetooth, mac, pcs, cell phones. Bluetooth can be a really funky technology.