personally i am not a big fan of weapon charms, that thing dangling all the time when i am aiming or shooting, it's really distract me, but i have a choice to not put it on weapon charms on my weapon so i am fine with it!
why not give us a knife so we can cut through fences, some fences u can't jump or u can't build near it to jump on so wasting a c4 for fence is not good why not we cut with our knifes!