PS2 emulation is good enough at this point that no, I don't really need to care about this.
Same with PS1 emulation.
I don't care much about PS1 emulation, as even a sub-par computer can emulate those games almost perfectly nowadays. PS2 games require a much higher end computer than I own though, and the emulation is still not perfect.
But it's hard to get rumble working with the games.