Grids on the Rosomaks versus drones. Will they supply effective protection?

Since the war in Ukraine saw a fresh threat in the form of FPV drones, carrying, among another things, accumulation heads, 1 of the solutions that became popular as a possible remedy to this problem, became rod screens and net screens. For any time now, many armies in the world, including the Polish Army, have been experimenting with specified solutions. Are they an effective solution? But are they a waste of time, energy and resources and a negative impact on vehicles themselves?