I feel that in Destiny, it is nearly impossible to do well and play normally if you are limiting abilities. I mean, CoD you have the option to take the grenades out of a class completely, Destiny you don't.
You know, this is the first time that I have been told that it is more about the weapons themselves. I have been thinking of ideas for Sharpshooter/Expert for about 2 weeks now, and it is just now brought to my attention. I know for a fact that I have asked what the restrictions/limitations are to them, and I have never heard that. That information would have been really useful 2 weeks ago, but still, better late than never so thank you for informing me.
Last I heard, these badges had to be in over a week ago, and we are still working on them, so now that I know that they are weapon based, I will try to think of something else since my suggestion doesn't exactly make a lot of sense. That would also through my PvE (Strike) suggestions out the window too...damn