[citation][nom]digiex[/nom]MS is guilty that's why it settled, Nintendo knows that it is not guilty, that is why it kept on fighting.[/citation]
It settled for the same reason large companies frequently settle against NPEs (patent trolls). It's usually far cheaper to settle than fight it, considering you're facing an uphill battle in the eastern judicial district of Texas and usually have to appeal after losing to get a more favorable location (generally California) to get the ruling overturned, like Nintendo had to.