I am not on Facebook, but my wife is. According to her there are countless posts from women complaining that their husbands / boyfriends are wasting their money on sports betting.
So while it's a small percentage of GDP, it is a much larger percentage of their budget.
I am Facebook friends with a lot of women and haven't seen a single such complaint. That's obviously not a real population survey but if it was really a widespread problem then I think I would have seen it.
So while it's a small percentage of GDP, it is a much larger percentage of their budget.