George Lucas is what happens when you become so powerful there's no one to check and balance you. It's like when Sylvester Stallone was at his peak and would get no-name directors he could boss around for his movies.
Pretty much.
"I want CGI gophers ooohing and ahhing at the explosion!"
"Yes, sir! Sounds great, sir!"
"I want Indy surviving a nuclear explosion in a lead fridge."
"Excelent idea sir!"
"I want Anikan Skywalkwer to be a whiny bitch."
"Top drawer, sir!"
"I want CGI weebles and greebles ALL OVER my classic trilogy! I want a huge CGI dance number sung in an alien language!"
"Such a great idea sir, I just creamed my pants!"
I just wish someone would have the balls to smack Lucas' hand away and tell him, "No!" Spielberg doing that a couple of times during KOTCS could've done lots to improve it.