By definition High Fidelity - Ideally High Fidelity equipment has inaudible
noise and
distortion, and a flat (neutral, uncolored)
frequency response within the intended frequency . Yes I plagiarized the definition. I lean toward Towen in this discussion. Sound quality has improved over the last 20 plus years from one source to another. However, where I agree with Towen is the lack of education by a lot of the end users. I live in central NC and the best place to go for audio information or to listen to equipment, if they still have the room set up, is Best Buys. The audio/video specialty stores have all left, so the BB guy tells you a sound bar will give you everything you have dreamed of with sound at a very affordable price.
By definition yes, you will get inaudible noise and distortion so on and so on.....but when you slowly put a system together a system that gives you the type of sound we discuss here, it is several steps above the standard definition. That is what I think is dying, and it started about 5 years ago.
I love music and great video, so I would go to a store that specialized in audio/video and the same guys were there year after year regardless of where you were, (Texas, Delaware, Ohio, NC) they understood what you were looking for and they would help educate you/me. You could see the speaker, amp, prepro, monitor and they would hook it up so you could hear/see for yourself and make an informed decision. It will sound different in your house, if you don't like it bring it back and we will try something else. For the most part that is gone. When we travel and I run across such a store, my wife knows we will be there for a while....at least I will be.
So that is why I agree with Towen.