Nope, no attack. The new South Korean president is an appeaser. He would ask the US to leave before risking war.
Well, the problem is South Korea is no longer the only country at risk... The NK's now have missile tech and nuclear capabilities, so the game takes on a whole new prospective....
I worry that you're correct. He was upset to learn that two more THAAD units were moved into SK without his knowledge/approval.