Years back @OttoKerner mentioned that this decision was backed by solid research. But it was only tested on 24 songs with 38 subjects, where according to the paper 80% of the subjects
preferred album normalization over track normalization. Moreover the paper was only recommending album normalization to be the default, not that it should be disabled in anyway.
Personally, I’ve used replaygain for ever before getting plex media server, and I never had to expect getting shocked by loud tracks like I do now. These facts are clear. The devs offered the option to turn sweet fades off (which imho never turned out to be sweet), it’s not unreasonable to let users have the option to use track RG info.
