The problem with this is that we see this cycle again and again, and it provides firepower for Republicans to get elected. Until we elect two Democrats (or at least non-trickle down Republicans) to two terms successively, we'll see the cycle repeated, and we haven't done that in the 30 years I've been alive. Reagan sent the economy into the toilet, which, I believe, is why H.W. got only one term. Clinton's administration built the economy back up steadily, though during his presidency it didn't look that pretty. Baby Bush destroyed it again, though the economy looked OK for most of his presidency. Obama's administration took the crushed economy, revived it, and now Trump is benefiting from the work done over the previous eight years. Chances are, this tax bill will have dire effects, and whoever takes over in 2021 will have to do the hard work of saving the country from a mini-recession or worse.