Hey I'm not a composer but I was thinking about this myself. I would say Bach and mozart never were able to create jazz funk because to my knowledge there was no invention of the drum kit until 1800s. Thinking about it, the modern day one man percussion control is a pretty big part of any music post ragtime. It kinda keeps everything more simple with a common beat and the idea is more about shaking your leg and dancing because of the beat. In mozarts and bachs music there are no drums. You can not really dance to it,thus, the intention isnt really to dance crazy to it like they did with jazz and modern music chords.