In the US that stuff happens largely in big cities where the residents vote like sh*t, so...you know...
I can't work up a lot of sympathy for them. Sure, we can blame the illegals, but who's luring them in with free stuff? Even in foreign countries, who freaking invited them in? Who's giving them free shelter, food, and whatever else they need?
These roaches don't go where they're not wanted and are actively discouraged.