That's all on him. It would likely have just been a fine if he had handled it in 2015. Ignoring the Feds isn't going to make them go away.
The industry has brought a lot of this attention on themselves.
How do you see this playing out with the rest of the tuning/hot rod industry? There are some big shops and manufacture's out there still seemingly thumbing their nose at the law. At some point do they start holding holding the auto OEM's at least partially responsible?