I mostly used it in Rome: Total War to keep enemy settlements population high. With Huge army sizes, computer players quickly deplete their manpool and can't fi

I mostly used it in Rome: Total War to keep enemy settlements population high. With Huge army sizes, computer players quickly deplete their manpool and can't field a decent army, leaving you with no opposition once you survive the first onlsaught. So I locked in their cities pops to the max. Or I do it to fight boring grinding, because at my age I don't have time for such meaningless activities