As I take it, you ask two questions here, or at least bring up two thing to discuss.
Does it matter if the game is made from 1st, 2nd or 3rd party if it's an exclusive game? No, of course not.
Why are some people angry about some 3rd party games being "bought up" and dropped from all but one console/platform? Because it's a loss for the common gamer, they can not play this game if they don't buy every single console out there. Not everyone can afford this and most only use one system per generation. So if game X looks like a really nice game that I want to play on my console Y, but console Z makes it exclusive it sucks for me. Simple as that. If I want to play it.
And I think that people do get upset/rant about 3rd party games because they have potential to come to their console, and then company Z decides to slap them in the face to make some extra cash.








