I may have misunderstood your question the first time.
I shot the 3D shoot last weekend with two guys that were shooting compound bows from the early 90's, maybe 80's. I could not believe they were hitting the target, but they were pretty good. It’s all about getting out there and having fun. Now that they are hooked they are looking for some used bows made in this decade. There old compounds were loud and both needed repairs to complete the 42 target shoot, so they could definitely cost you a deer on a hunt.
So to awnser your question. No, I don’t think you need the best bow out there to be a successful hunter. I know a handful of great hunters that score every year with their 4 -6 year old bows. “ But I know that they want a new one”