It is evident that for almost all cases and most systems/rooms and most ears, there exist a difference between vinyl and digital system which may be evaluated negative or positive , as it exist a difference between all two vinyl systems compared one by one in different rooms for different ears or two digital systems...
Then you are right :
The fanaticism lies in jumping in to rubbish a format, whenever anyone attempts to discuss its benefits.
Now we can use mathematics to explain the equivalence or superiority of digital over vinyl or the physical limitations of vinyl over digital, but mathematics is one thing , and music experience and subjective interpretation is another....
In our era all boil down to techno-cultism versus Nature...In audio it is debates between subjectivists and objectivist, but psycho-acoustics know better that these fruitless debates in audio thread... ( Nature does not exist for sure for corporate powers dominating and using technology passed over as "science") but here i am off track for this thread... 