leftists are a byproduct of a Soviet weapon designed to destabilise and demoralise the West

True, and also both the USSR & American left descend ideologically from commie jewish intellectuals who wanted to tear everything the fuck down.

there's no off switch.

There is, but on our current path we are either going to end up with a national divorce & balkanization, or "And then one day, for no reason at all" meme.