Anyways, the writer basically says he's scared that Halo is being too much like other modern shooters, even though pretty much every feature of Halo 5 has featured in Halo's past (like boosting, jetpacks, and backstabbing in Reach, and aiming down the sights has always been important to precision weapons since Halo 1). Aside from that, it's a very basic opinion piece from someone who watched a live demo. Read it if you want:

http://kotaku.com/im-a-bit-worried-about-halo-5s-campaign-1723069153