Do we really need so many?
I'm a Colorado and western fisher guy. I've found that 90% of all fish I've caught in my couple years of limted experience have been on one of four flies (not counting wolly buggers) in various combos of single dry, dry dropper and double nymph rig:
Elk Hair Caddis
I know collecting flies is kind of a hobby and I've now accumulated several boxes of various species that will probably never find their way onto the end of a piece of tippet. Not sure why I take so many to the river. My uncle is an accomplished fly fisherman and does well on the 4 listed above in various sizes.
What if a guy just loaded up on those patterns for a summer and headed on out?