Actually, there is probably no issue here at all! Everyone derives some sort of fun/happiness out of this hobby/passion, what ever it is. So, if you get a tickle out experimenting with the effects of fuses, cables, etc., go for it. It's your "hobby" to enjoy as you see fit and to h... with anyones opinion. Personally, I haven't any first hand evidence of fuses influencing the sonics, only opinion! But I have to admit that after 40+ years in this hobby I am still surprised from time to time.

So, I would be interested in finding out what you discover!