I feel bad for the girls, but the other side of the coin is that the majority of women vote for the party that is promoting this.
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In the end it might be a good thing. If it were white males being harmed there would be a collective shrug and nothing would ever get done about it. Since it’s disadvantaging a protected class (women) the absurdity of the whole transgender farce will be called out when 98% of all females are pushed out of women’s sports. When enough women complain something will get done about it.
That's because males including white males wouldn't do anything about it. Just the opposite, many would either be promoting those policies or looking the other way when males other than themselves get screwed.