We heard the same line from the Republic party in 2001 and 2003.(Bush: I'm here to demand a refund.") It destroyed the only budget surpluses in over 50 years and led to the Great Recession - which like the Great Depression followed 6 years/8 years of Republic party control of both houses of Congress and the White House. Both of those splendid economic accomplishments are owned 100% by the Republic party. 
Now Trump and the Republic party want to score a hat trick.