True, it's a great time to be an enthusiast . . . with money.
And, the brand loyalty vs brand loyalty thing has been going on since the second car was started up. But, check out the June 2014 issue of Hot Rod Magazine for the (new) Z28 vs (new) Boss 302 Laguna Seca. Numbers are right there for you.
And I agree, different strokes for different folks. Many people don't agree with you. If you don't like GM, that's okay, just say "I don't like GM." No need to bash, that just made your first post inappropriate rather than opinion. (And that's not me bashing, just speaking the truth.)
And, you certainly made Lee's prognostication golden.
No bad will here. Go forth and enjoy your blue ovals. I have one, too, but I don't believe it's the only answer to motoring.