Why don't amplifier Companies use high end fuses?


My equipment - Raven Integrated Reflection MK2 tube amp 58wpc. / Lumin A-1 DAC Streamer / Synology NAS / Isotex Aquarius Power Conditioner / Furutech Rhodium Plug / Sonus Faber Amati Homage Tradition speakers.  

I have read thousands of comments on upgraded fuses improving the performance of sound.  I am very open minded but not sold either way.  So, the question I have is....if fuses were so important, than why don't Amplifier companies all install them as OEM equipment?  To me, if they are as good as people say, that would provide companies who use them a competitive advantage?  

Every High End Audio store I go to in Phoenix have told me it does not make a difference and is a waste of money.  For the record, I have fuses purchased at an automotive store for under $10 and I think my sound is awesome.  The Company that built my amp tested the Synergistic Fuses and he emphatically said there was no difference.  

If I were to try a fuse for fun, given my equipment, what would your recommendation be to try?  
willgolf
No offense auxinput but it appears to me you actually don’t understand the situation. If I have transgressed I’m sure the mods will let me know. It’s pretty pathetic when someone cannot make a declarative statement without someone repeatedly barging in with a barrage of insults. Which is in fact what is happening and what has been ongoing. I don’t believe I ever insulted what’s his name. In case you haven't noticed I tend to pick up a lot of uh, detractors, whatever on this forum and try to deal with them in the most humorous way possible. Of course anyone is free to not read these exchanges. No one is twisting anyone's arm. 
Not really. I'm just asking somebody to prove it and I get stuff like "Morphic fields" for answers. 
Entertaining reading guys!  Lots of snarky repartee.  Both Kosst and Geoff might want to watch "Morning Joe" on MSNBC with the sound off.  You've never seen snarky until you've watched Mika Brzezinski's face and the impact of her visual condescension.  Have fun!

Kosst - Do you really believe that all the subjective descriptors mentioned in Geoff's earlier post are quantifiable with measurable data??

kosst_amojan
Not really. I’m just asking somebody to prove it and I get stuff like "Morphic fields" for answers.

>>>>A little heads up. If you’re going to stalk somebody you should figure out which thread you’re on first. I hate to be judgemental but it appears you have Morphic fields on the brain.