He's saying that women tend not to be libertarians, which is a large enough block of people to where it's very difficult to implement libertarian policies to la

He's saying that women tend not to be libertarians, which is a large enough block of people to where it's very difficult to implement libertarian policies to law. There's no implication that women shouldn't be allowed to vote or women's suffrage was a mistake, it's just a really awkwardly worded statement.