NO WAY?
Well, historically regardless of tax rates and collection policy, our collected revenue streams have always bounced around within fairly narrow bounds - 17-19% of GNP. That's because this is a classic problem of predicting outcomes in a dynamic environment with (although liberal elitists don't believe this) EQUALLY INTELLIGENT ADVERSARIES.
From this we certainly can say that an effort to move tax collections to 22%, 24% or 26% of GNP will almost certainly fail. 2010, we spent 23% of GDP. Highest collections ever, 1944 at 20.9%.
So I think you are wrong in assuming
If one don't believe the spending is not worth it, one would define it as a spending problem. If one does believe the spending is worth it, one would define it as a revenue problem.
That would be a true statement within the bounds of reasonably anticipated historical collections. But we are outside those bounds already and headed for worse.
Any business manager that tried to call this a revenue problem would be fired.