Hey Mr.DirectBiggles, I understand how you are feeling about these potential cons of Halo 4.
Hearing about the confusing BR and DMR differences didn't make a lot of sense to me either (though I'm so glad to see the BR back).
I'm sure that 343, while being new, has more than enough experience in game making as what I have heard of, there are a number of exBungie staff on their team (like Frank O' Connor). And I'm sure all of the staff are who weren't originally from Bungie are massive Halo fans anyway who want nothing more than to do the title justice by making the game look and feel like a Halo game, only better.
What I have found consistent with the Halo games is they are always well balanced. Kinda like the rock, paper, scissors idea in that where one weapon/ability is strong in some instances, they aren't in others. And vise versa with weapons/abilities that are weak here and strong there.
So, while at the moment some things sound under or over powered, or just a bit too much like CoD, I'm sure with more information from later gameplay teasers, refinement by they 343 crew, and then our own experiences when we play it, that it'll make sense why this and that are the way they are.
Haha, I hope that makes sense. What's with that post two up^^? Didn't know Halo fans would be in the consumer bracket for Mulberry Handbags..