Are you insane?! Please justify such a statement. I've heard that Lucasfilm's estimated value was $30B before the sale to Disney.I don't think the PT did a very good job with Star Wars franchise.
The Franchise had comics, video games, and books in the 90's, but nothing like what came after. Star Wars hit a "perpetually marketable" from 97-99 onwards and never went back.
A good example of this is Lego. Star Wars was so popular in 99-2000 that Lego's recent SW license saved the company from bankruptcy. SW was even more popular in the years to follow. Lego is now the biggest, most successful toy company today.
We get it. You don't like the Prequels. That's your choice.