I actually started with a hunter and I have to say I tend to disagree. My hunter chewed through content that I am struggling with on my warlock. I find the hunter's jump is quicker. I feel like I'm hanging mid air as a target with glide. Warlock grenades are insane but I miss my throwing knife when I play my warlock. My knife is my ass saving move if I get rushed on a reload since I almost always crit, knuckleduster bounties are super easy. The main difference between warlock and hunter, to me, is warlock has devastating grenades but less speed while the hunter excels at staying mobile and getting the big shots in when it counts.