Those of us that closely follow the class have been outraged for years, But the masses were either unaware or didn't care about the disparity. After this seasons results, it could no longer be hidden. The media has picked up on the story and have been more opinionated about it. (Thanks for leading the way Bobby!) There is no way the PR dept. cannot be thinking the increase in backlash is bad for biz.
My guess is Terry + Byron have already been warned to dig the 2 valve stuff out. ( Which in the long run might be a bad thing. Force the rules to say "2 valve pushrod Vtwin', and you may be keep out aspiring companies with more modern equipment. Like Erik Buell.)
My hope is NHRA takes away displacement--and allows more different brands.