So they are both, as individuals, senile old men. Shit choice, but if you’re going to vote at all, the vote you cast is ultimately for the administration that comes along with the individual. The old men are just the mascots.
And that means you would 1) vote for Trump, 2) make a third party protest vote, or 3) not vote at all? Not criticizing any of those options, just trying to translate your sentiment into concrete actions.
And, hypothetically of course, what specific actions would the democrats need to perform to become a significantly better choice than the republicans, enough to earn your vote?