alt Hacker NewsThat's reasonable enough, but you have to consider it in the context that we don't vote for president, we vote for state electors to vote for president.
If you live in a 'safe' state, tacitly agreeing with your state's electors doesn't mean tacitly agreeing with the electoral college result.
If you can’t be bothered to make your disapproval seen at least once every 4 years, then I consider it a tacit approval. So that actually makes 2/3 of Americans in support of Trump’s brand of America.