The article somehow misses the elephant in the room, why still argue about pixel sizes, when it should be about display size with display resolutions being no l

The article somehow misses the elephant in the room, why still argue about pixel sizes, when it should be about display size with display resolutions being no longer be in a narrow range of low DPIs. In an ideal world text sizes should be set in em and rem and body text sizes should be user adjustable to preference.