Relevance or Irrelevance based on the category of listener
1) Musicians who genuinely care about how their instruments sound during playback:
Relevant
2) Mastering Technicians
Irrelevant
3) Musicians who are about ...'get it over with dude, i need to get paid, got bills to pay'
Irrelevant
4) Audiophiles:
Irrelevant
5) General Masses/Non-Audiophiles:
Irrelevant