When you have a boss who is aggressively forcing an immoral solution which violates your core convictions and promises to your constituents, he needs to be be publicly embarrassed.
You sound like a #NeverTrumper. Trump is not a conservative. Ted Cruz couldn't support him at the convention. The National Review devoted an entire issue during the campaign advocating his defeat. Bill Kristol of the Weekly Standard voted for Hillary. Conservative Evan McMuffin ran to take votes away from Trump in states like Utah.
Despite the many attacks on him, Trump won with Reps, Independents, and some blue collar Dems. It was a coalition that enabled him to take states like MI, WI, and PA. Trump has assembled a very conservative cabinet with Jeff Sessions as AG being the most important appointment; he has nominated a conservative judge for SCOTUS; he is rebuilding the military; he is deep-sixing Obama's executive orders on climate change, immigration, etc.
In the grand scheme of things, the GOP must come together as a unified party. If it can't, then it can't govern and will squander the current majority it now has. Defeating Trump will impact the 2018 midterms. Can the GOP hold the senate? Will the perfect be the enemy of the good?