Here is a a very good article on on Yost and actually he has a lot of similarities with Coach Richt's philosophies just with a modern spin.
Very Long article but a good.
https://www.deseretnews.com/article...nergized-and-excited-to-be-at-Utah-State.html
here is the video interview if you don't want to read the article.
Also I think the Brown and Dugans could learn a lot of new spacing concepts from him. If Mark Richt wants to keep his son around long term he could demote his son to Offense Analyst bring in someone like Yost to modernize Coach Richt's play book as QB Coach / CO-Oc an then in 2 or 3 years Yost would move on long with Thomas and Dugans and Richt can go back to calling plays in his new play book and promote his son back to QB coach if he wants.
Go Canes