That's because "modern science" precludes the supernatural. It assumes a priori that there is nothing outside the natural. Hence it (modern science) presupposes the philosophy of materialism.
Bullshit. Science precludes making assertions about things that cannot be studied by empirical methods.
No phenomenon that can be studied is off limits.
Quantum phenomena are weirder than anything imagined by philosophy, but they are consistent and regular, and lend themselves to observation, experimentation and quantification.