as with everything in hifi (and life in general), the key is finding the right balance, the correct degree of moderation, avoid excess
for me, low level sound quality is important, but we of course understand how we hear, and the fletcher munson effect, so we need to realize low level listening has its own challenges - still we live in domestic environments, and so low level listening for many is a must, so their systems better to tuned to sound good at levels they listen at
otoh, reproduced music can and should take on a scale and impact somewhat approximating a live performance... so to experience that, one needs to have the volume to a level where a piano sounds like a real piano, a real bass has the body and weight of a real bass, and so on... this requires a decent level of spl’s
for me, i do try to listen in the range of 80-85 db peaks, and do alot to try to preserve, and protect my hearing, which is obviously essential to our continuing to enjoy the hobby