Many conservatives spoke out against Trump.  He didn't win the primaries with a "wide margin" as you put it.  Had there not been so many candidates early in the process he might not have won at all.

The left is hell-bent on painting all who didn't support Hillary as racists, bigots, homophobes - etc.  Many people voted for Trump (or didn't vote) because they viewed Hilary as a particularly flawed alternative.

Trump is a buffoon.  He's gross. His so-called dog whistles to the alt-right and white supremacists are not excusable.

However, wanting to undo Obamacare - or secure our borders is not racism.  Passing laws requiring ID to vote (with provisions to help all people get those IDs) are not racist.

The left (and you in this letter) are consistently trying to destroy the moral standing of the right instead of trying to counter their ideas.  That is nasty.  Romney said Obama was a good man that he disagreed with.  The left said Romney was a terrible person who did terrible things.