I have no problem with police having easy access to anything I can buy as a regular citizen. For me, my concerns are about equipment being used in the wrong situation without training. If you have the budget for a whole team's worth of stuff but not enough training to avoid NDing into suspects, everyone might be better off without.
But on the equipment topic alone, is it possible to go too far? If my department has an M2 Browning that mounts on our BearCat, is everything still cool?