Any group tends to have tendencies towards "otherizing" people who are perceived to be outsiders.
Some do this with people who are (also) critical of kemper. I've seen this first hand, way too much, depending on the medium. People tend to tie some sense of self worth to a piece of gear; and it rolls on from there. Kemper users do it, axe users do it, users of tube amp A do it.
And some do the opposite:: they "otherize" those who don't have any criticism of kemper. I have not experienced this nearly as much on here than the first group, something understandable considering this is a kemper forum. In plenty of occasions, here and elsewhere, I have argued against such "absolutist" views.
About "golden ears": some of us do have better ears. It's just a fact. This is often an accusation here against people who say they hear differences between kemper and real amp. Most of my family are professional musicians from classical world and they most definitely can hear things (and be bothered by things) that others do not.
It's not much different in the guitar world. And I've never accused anyone for the opposite of "golden ears" either. I've just had this grand accusation of "golden ears" thrown at me a million times, ears I don't even think I have.
I do not say much at all about kemper from a critical standpoint anymore, because it's a "done" issue for me in any way. If I will do a test it will not appear here but be published through my own medium. If I get an email or comment I feel is written with an inquiring intention then I will reply in detail; if not, well, usually, the test itself will speak about the gear in question, whatever the result may be.