[vacri]

Don't get bogged down in the pedantry of realism. When 'realism' is mentioned in gaming, it really means 'realism that assists immersion'. You'll occasionally see articles about balancing realism versus gameplay - if something is real enough to turn you off the game (like boredom from slow movement speed), then it's reducing your immersion.

[eupharis]

Johan Andersson, the designer of historical strategy games (Europa Universalis), put it best: "When realism gets in the way of fun, fun wins."