Anyone playing TLOU for the 1st time, or for a 2nd run, should play it in Hard Dificulty. The game is much more well balanced and the gameplay shines much more when you have less resorces and you need to make strategies about how you going to take enemies down. Hard mode also disables the x-ray vision.
They clearly adjusted the Normal dificulty to be enjoyed by a larger audience, but we get too many resorces to the point we can gun down all the enemies, and it hurts the great gameplay this game has when you try mixing up gunning with stealth and melee instead.