Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
You need to get out and do some fishing . . . .
Actually there isn't Jason. One definition of 'simple' is "easy to understand or perform".
All I have to say is that if we ever come to a place in this sport where we no longer feel comfortable accommodating both those like my buddy who love to immerse themselves in the minutiae as well as those like me who rebel against rampant, radical Schweibertism (!) through deliberate eschewal of complexity and multi-layered meanings, well then the terrorists have won...:)