Ethernet Cables, do they make a difference?

I don't understand why folks that choose not to believe in differences in cabling actually debate with those of us that can detect differences in sound quality.

I have come up with a few clues:

They are all contrarians. Whether religion or politics, abortion etc. they will always take the opposite side and will back it with solid evidence( in their view) to spin their agenda. Beats arguing with the wife.

May not have the most resolving system: If you certainly can not hear the difference between cabling you are not going to have much better than Lampcord and BJC for interconnects. Certainly nothing wrong with that as leaves more money for upgraded golf clubs and bowling balls, upgraded rooms on vacations etc.

Do not know how to listen for improvements in sound: Takes a few years as you are moving up the chain to identify small increments in improvement such as swapping out a receptacle, or the use of vibration control ,room treatments etc. As we all know a few percent here and there ends big in the long run.

All measurements sound the same:  Ok if two Speakers measure 30hz-20kh +-2 db do they sound the same? Of course not. Neither does and amp, preamp etc. Putting to together a system is all about synergy. What may work in my system may be to laid back in yours etc.

I just don't understand why the non believers just don't say:"Wow that's great for you guys. I am spending time enjoying my system and less time constantly tweaking". Heck some of the best times enjoying music is have a few beers in the garage with your buds listening to music played on a boombox.

Seems the whole world is in an argument. This hobby is a selfish as it gets. It would be nice just to enjoy with people with like interests. I really do not see any other forums ( auto, financial, sports)with the type of bashing that goes on in audio forms. 

Axpona was great this year. How many non believers where there?  Not many I am sure.  Sure a lot of the products are over the top, but it all trickles down over time.  4 years ago at Axpona  Ric Shultz was showing off his magnetic cable line. We looked at each other and said WTF?  High Fidelity cables had 3 connected rooms this year this year to go along with two beautiful gals that knew what they were talking about!!. A new affordable cable with similar qualities as a cable twice the price a few years prior. Something is working there. All sorts of great success stories all over. People that have succeeded at their passion. How awesome. I am sure not going to take anything away from them. I am a little jealous.

Can we talk about cable break in now? :)