You are entitled to your reasoning the same as other people who want a different outcome this November.
But consider this. If Trump loses and the Democrats gain just a handful of additional seats in the Senate...the consequence will be a wholesale changing of our election laws such that the winners will be guaranteed never to lose power.
It won't mean the conservatives will make a comeback in the Republican Party; rather, it will mean a one-party state for the foreseeable future, and that "one party" won't be the Republican Party!
There are other countries in which there are elections but the results are a foregone conclusion because of the legal framework in which they take place, and there is no reason that it cannot happen here as well. It's already in the works, in fact.