Immediately after reading your post I commissioned my best people to investigate matters, and the following relevant points are the findings.
The theory of Helton and France having a skeleton in the closet on Gordon is not plausible.
It just sounds to X File-ish to me, Aside from meditating on how Gillian Anderson licks her biggest challenges, I could never asribe much credibility to such plots, again noting the exception of how Gillian Anderson licks her biggest challenges.
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During the investigation we coincidentally learnt that the University of Notre Dame had Kennedy assassinated in 1963. In order to keep Roger Staubach off the cover of Life magazine, after he led Navy to beating Notre Dame. But we cant correlate or abstract that to France and Helton getting one over on Jeff Gordon.
As another aside Hendricks and Penske are the illuminatis when it comes to Nascar.
About Gordon being a happy driver, maybe he isnt, I dont think he has the enthusiasm he had in the 90s, after all he is older. But I wouldn't read anymore into it than that, we just dont know and speculation apart from my scientific findings would be riddled with flaws.