Not really. There are lots more pro-Apple threads here for instance than anti-Apple threads. But we see what we want to see as a defensive mechanism.
But, consider, how many Pro-Windows threads do you see? Not too many.
The Pro-Apple threads are people talking about the advances OS X has made (made even more stable by sitting on top of a Darwin Unix kernel), or an upcoming Apple hardware release. When the iPad was announced, the 'experts' derided it as a stupid concept, a product destined for the trash. I pre-ordered mine at 5:15am on the day it was first available. Some people do not understand something, until you smack them in the head a dozen times with the product. I saw it's potential the moment it was demonstrated - and had my cash in hand within 2 weeks from that day. I still use my iPad 1 every single day.
The anti-Mac threads; are not opposed to a breakthrough, or advance OSX - they are an attack against Apple users, or Jobs personally.
That's the difference.