Now you may not believe that there's no real difference between the two parties, but it follows inevitably from what you're saying. If it doesn't hurt the Republican politicians to lose, if they really don't care whether they win or lose, then they really don't care about what it is they're supposedly fighting for. It means that their real interest, as politicians, is to increase the power of the political class - nothing else.
Now you may not believe that there's no real difference
Umm no I don't believe that I assume you have read my last reply but this post is growing so fast that I can't keep up!