When athletic height jumping was considered done and perfected, there was the Fosbury flop which opened new possibilities. Do you think there was such a moment in the music history? When someone showed how things can be done and from there everyone is using his/her technique?
Another thing is cheap, good-sounding speakers and headphones
Can you imagine Billie Eilish releasing Bad Guy in the 80s? 90% of the country wouldn’t hear a thing