Only bottom line results count. Division among those who aren’t Dems is what enables Dems to win time and time again.
The factor that you're failing to input into your analysis is that we're at war with an enemy that has two faces. One is the face of an avowed and knowing enemy, while the other is covert, and hides behind our own colors.
They're grudging allies who both see us as the greater enemy.
You can't "win" by supporting those who only pretend to represent us. It's paramount that all of us quickly separate the enemy from our true friends and allies.