Because the entire goal of the GOP is to use culture war nonsense to keep the uneducated fighting against their best interests while the rich steal everything that isn't bolted down. Every single time the GOP controls Congress they pass laws cutting taxes on the rich and hamstringing federal enforcement of existing laws, while screaming about the boogeyman de jure because as long as their base thinks the Democrats want to mutilate their child's genitals before sacrificing them in order to drink their blood, they won't notice it's GOP policies that are making things more dangerous and more expensive.