Performance is often a critical feature in games. Nobody will play a janky game and go "yeah, it's a bit rough but I'm sure the floating-point operations are d

Performance is often a critical feature in games. Nobody will play a janky game and go "yeah, it's a bit rough but I'm sure the floating-point operations are done sensibly if it were to run under emulation, two console generations in the future". Console games are not like ordinary/business applications where being 15 ms late is almost always better than tying the code to the hardware.