I hate when people keep trying to make this point over and over, it is irrelevant and incorrect.
1: Last I checked the super majority of the internet servers were Apache, yet the latest worm threatening to take down the Internet almost never hits Apache.
2: Using your comparsion of Mac to Windows, yes Mac's may be just as inherently insecure as windows boxes. But, as you stated there are less exploits for Mac's. They're going to get hacked, rooted, or zombied a lot less. So while Mac's may be inherently less secure they are practically more secure.
And they're pretty
