Notice that when rates are reduced, 1963 and 1984 revenues are unaffected or actually go up.
Yes, revs go up. Due to the economic increase that is generated. That seems lost on those in DC because they do not derive their existence from the taxpayers, they seem to derive their existence on how much money they can spend. Over the past decade plus, they came to the realization the federal debt is not a burden. Before than, a 100 billion deficit was considered a catastrophe, today, less than a trillion is considered an achievement.
IMO, the dems are devils and there is a long history of what happens when making deals with the devil.