From drf.com (subscription required)

Filly sprinters and dirt milers deserved to get the ninth and 10th Breeders' Cup events, but grass juveniles were not next on line. The $1 million purse is excessive. The race would draw the same horses if a $250,000 pot were offered on the Friday undercard. The Juvenile Turf is likely to be a meaningless crapshoot with no championship implications but possibly some detrimental effects: Would you rather have seen an Arazi or Johannesburg run Friday on grass rather than running the next day in the real Juvenile?

He also imagines a future that could include adding a marathon.