Kyle Busch agrees with Dale Earnhardt Jr. when it comes to Jimmie Johnson. While appearing on The Pat McAfee Show on Wednesday, the two-time NASCAR Cup Series champion was asked about what Earnhardt previously said on a podcast about being “one of the old guards” and not preparing the same way as Johnson and the new generation of talent. “Jimmie ruined it for a lot of us,” Busch said. “Dale isn’t the only one that had the Jimmie Johnson factor that came upon him. I got yelled at from a crew chief. I was getting a little chunky, a little heavy and all that. He was like ‘You need to work out, yo…