Having been raised on Fahrenheit, feet, and inches, it's a challenge to know how hot or cold something is in centigrade.
40 C seems like winter.
Much of how we relate to the world is based on our reference points. If we grew up listening to music on earbuds, our thoughts on the quality possible of reproduced music would be very different than if we had been around live music.
Or a High End audio system.
What you and I find acceptable is likely way beyond what 99.99% of the world's population has ever experienced.
That treasure of musical ecstasy that beckons you to sit in front of it is likely a true wonder to most folks.
It is, after all, a point of perspective.