If you want people to ask you stuff reply to this post with a comment to that effect.
More accurately, ask any participating LessWronger anything that is in the category of questions they indicate they would answer.
If you want to talk about this post you can reply to my comment below that says "Discussion of this post goes here.", or not.
Even a fairly low probability estimate would justify effort on an existential risk.
And I have to admit, a secondary, personal, reason for being involved is that the topic is fascinating and there are smart people here, though that of course does not shift the estimates of risk and of the possibilities of mitigating it.