Why does it take 24 hours (or longer) to clean the frappe machine? It shouldn't take no longer than maybe a hour. Why?

Because a dairy product runs through it. When dairy spoils it can cause salmonella or it may have eColi both ok which are serious issues

When I went their the people were rude to me so I guess they are just very slow and not good at their work,that's the best I got,sorry

I think they do well

LOL, same reason they're always out of biscuits and gravy at 9 am.