The whole thing about teching engines is such a joke.

See Protest story.

The ARRC has a better set of people and tools, but they still could not tell if that throttle body was stock or not!

As for engine builders. Why do people who race in Showroom Stock and Spec Miata pay 7k to 10k for a stock motor? Do engine builders somehow make them more stock?

You can't call them cheaters, because no one (that I am aware of) has ever be called out as illegal with these motors.