While Dale Jr. would have won the championship under this format last year, its pretty misleading. Jimmie Johnson knew he had to finish 20-something or better so he basically didn't even try to run upfront. Had Jimmie, and the other drivers known this was a winner-take-all race, the race would have unfoldly completely differently.
I'm also not a huge fan that if you win a race, you are automatically in the Chase. So Travis Kvapil could win a rain shortened or fuel mileage race and finish 40th in the other 25 pre-Chase races and still make the Chase? No thanks.