USA/NATO/allies heavily rely on Patriot AA system. Even if you disregard the prohibitive 100x cost difference, there are about 2500 Patriot compatible PAC missiles.
This is why gulf states are scrambling to get their hands on cheap alternatives - Ukraine manages to shoot down over 90% of all drones heading their way, usually it is over 400 per day in big waves.
FPV.
But I really hate the whole weaponization of these FPV drones (as opposed to the bigger fixed wings ones), not just they ruined the fun hobby that a lot enjoy, but also increased the prices for the parts. Before 2022 whenever I talk about drones everyone is enthusiastic about them, what benefits they can bring like drone deliveries and all, after that, you get a hostile reaction or the government putting you on some watchlist.