Very well said. That is a very nice foundation for folks to use. I'm in that club of 40 seasons of hunting as well. I don't have anywhere near that type of resume, however under general and practical hunting conditions I have alot of experience. Like I say, I think that this is very good information. I bought a 6 lb., 4 wheel, Jennings ArrowStar in 1979(?) and I shot that bow with fingers and 2219 Gamegetters, off a hard rubber rest and a cushion plunger. That bow was "part" of me and we took alot of whitetails together and missed a gorgeous 6x6 CO bull(still hurts!); won some 3D Shoots(they were just beginning back then, if I remember correctly) and I just had a ton of fun with that bow!
So, yes, if you have enough axle to axle length, fingers are just fine for shooting a compound bow.