I almost went with exo before i bought my kifaru. The problem was exo didn’t make sufficient waist pouches for what I wanted. I actually use an eberlestock waist pouch on one side that holds my rino, knives, Leatherman, water tabs, tape, chapstick, 5hr energy’s, paracord, tags and pen, lighters, wet wipes, headlamp, and extra batteries. Exo at the time didn’t make one big enough for those, plus I like the eberlestock pouch, it’s very organizable Holds my rino perfectly. On the other side I have a kifaru medium waist pouch which can fit a good amount, just one pocket though which is fine for that side. Also, I wanted more strap capability for sheds. So kifaru fit that bill. 4 compression straps with the ability to add 2 more (overkill). And the guide lid has its own 4 straps. Although I do end up using one compression strap over the top of the lid to help it stay put better.
But yes, if I need to add to the daypack such as game bags, bugle tube,tripod, spotter ect, they go to the frame, no bag. Which I admit it’s nice to have a bag for that stuff. I just rather save the weight cus I’m a scrawny sucker