1. Replace the caucuses with private voting. A secret ballot is the cornnerstone of our democracy, yet in some places the process of electing a President starts with an intimidating, arm-twisting, public spectacle.
2. Once they get to the convention, some basic decency. The wannabees and the party elite working behind closed doors to stop the person with the most delegates is not good-faith representation. It's a coup by the elite backstabbers. The nominee will not be accepted, not just by the Trump supporters, but by the supporters of everyone else whose vote was abused.
If Jeb had 1000 delegates and a set of outsiders including Trump, Cruz and Carson had the rest of the delegates, I am sure you would see it differently.
You would say, “Look, it is obvious that people wanted an outsider candidate this election. It is only fair that the delegates from the outsider candidates should coalesce behind one of them.”
In any other scenario you would see that the delegate/convention process is a good one. If it wasn’t your guy you would see that if the candidate with a plurality of votes going into the convention ends up losing, it isn’t necessarily a breach of “basic decency”. It is simply the long standing rules of the party nomination process.
Not to mention how rich it is that a Trump supporter is calling for “basic decency” in the first place. Decent in what way? Calling people fat and ugly? That kind of decency?