In terms of the election, no. His base doesn’t care; the blue team already understood what he was; and if I’m right about the motivations of the handful of undecided voters, their concerns lie elsewhere.
But in going forward after the election, yes. If Biden wins, the narrative about plutocrats not paying taxes will be much easier to sell to the public. If Trump wins, the intersection between policy and his debts is going to be a major theme of the next four years.