Rockstar were developing for PC only back then too and look at them now. We are lucky if we get half assed port 1 year later after the console release.
Rockstar was always console developer, but they do fantastic job and they make fantastic game and thats why even PC players like them. Anyhow like someone told, if this game make lot of money on ps4 in near future we will have chance to play Red Orchestra 3: Secret missions of secret Alpha squad. 10vs10 maps with lot lot lot unlocks and tons of skins for you favorite rifle, and dont forget prestige mode.