What about in trials? If a defendant grabs some rando off the street to be their attorney and they lose he’ll likely try for an appeal, thus clogging up the co

What about in trials? If a defendant grabs some rando off the street to be their attorney and they lose he’ll likely try for an appeal, thus clogging up the court system. In that case it is an efficient use of resources to require anyone that practices law in a court room to meet some minimum bar (hey I think I found out why it is called the bar exam).