Are more people trying to beat trains at crossings?

It depends on where you’re at. In my area the trains are all freight and the speeds are slow compared to electric passenger trains on the East Coast. There’s a crossing I would routinely drive around because I know how fast a train can travel (due to a curve) and there is great visibility. I also accelerate so the momentum carries the car across in case the engine dies. It’s a no-go if there are passengers in the car as a courtesy to them.

I doubt very many people put that much effort in the decision making process and that’s what kills them. There’s a big difference between “I think I can beat it” and knowing the train can’t possibly hit you.