No, it's pretty easy. If you have a mandate you ruthlessly cull anything not on that mandate. You don't need a blacklist of banned topic, you have a whitelist of worthwhile ones and you ignore anything else.

Lambda is pretty solidly about functional programming. Maybe extending to programming/admin in general but not to politics.

Speakers should always be tweaking their talk for the audience anyways to handle different durations, venues, crowds, time of day, etc. If there's anything you don't want you can fix it here.