You're missing the point, they aren't specific games that are platform dependent. We're not comparing MGS4 to counter strike, which are both shooters.
Fighter games, in general, are on consoles. You simply just don't play them on PCs. Similarly, RTS games are PC only; the only RTS on console I know of is Halo Wars, which sucked.
Just these two cover ENORMOUS markets, with Starcraft tournaments having millions of dollars in prizes, etc, yet are based on entirely different markets. PC vs Consoles more accurately share _subsets_ of the high end gaming market, which overlaps in some places (like Call of Duty), and differ in many others.
PS4 is doomed to be years behind PC. Even at launch, PS4 will be at least a year behind spec-wise.