I think this will be huge. Well, I like to watch a conspiracy video every once in a while and they probably made up a fair share of my recommendations.
The algorithm always depends on your previous input, right?

Sure, not every user will be affected. But what youtube marks as a conspiracy video is important.

Conspiracy videos have just gained lot of popularity. Probably a few of them even being right. For me, watching it triggers me curious and makes me research interesting topics. This way I can make up my own mind on things. If not debunking them instantly with different experience or results in things I did.

Let's see if people creating these videos will need to find another platform as youtube. Just like many creatives had to do because of past decisions of youtube.