If could also show that where innovation has led to exploding revenue, politicians decided to take a bigger cut. The trouble is, with no way to isolate the effects, you can only make religious statements about the causes. People who want more state control will see taxes as a good, as they do given any set of facts.
California and Mass. have been blue, high tax states for decades. If high taxes were as destructive to entrepreneurship and innovation as low-tax proponents usually claim, one would expect that these two states would be in the economic dumps. Instead, the opposite is true.
Washington state is the easy counter case for high tax states. No state income tax, 10% sales tax. Doing about as well as these states. In fact, you are prohibited from moving here. And there's a constant complaint that we are overtaxed and that adding income taxes would destroy the state (just like Mass. and Ca. have been destroyed).
