There are a lot of limitations with your ignore suggestion, 88 Driver, but it may be worth a shot.

Some posters have a template through which they try to force every current topic. There are two things or three things they say, over and over again. They view any and all conversation as an excuse to broadcast those things. Having exchanges with them is futile, because nothing you could possibly say will make them change their mind: their ONLY purpose here is to see their view prevail.

When they're hijacking a thread as completely as you and a few handful of others, then possibly the ignore function MIGHT work. It's not as good as, say, having you refrain from continuously preaching to the "idiots" that disagree with you, but since this is where you and some of the others have taken the L&G... why not try?