1) As has been amply demonstrated, that’s a false argument.
2) Also false, as has been explained numerous times. Besides, even if we give prime importance to the dating divide, and falsely assume that evening the numbers wouldn’t help, the actual numbers should still, if possible, be dealt with. Even if all girls would get the same number of dates, some, if there are more girls than boys, won’t get married, yet you would ignore that.