A follow up video from the same YouTube channel:
https://www.youtube.com/watch?v=6c6qEmIX-8s
the sad thing is that no amount of logical debunking can prove to these flat earthers that they are wrong.
edit: check around 5:35 for a young female teen, sounds like she's from New Zealand...this is exactly why this sort of BS needs to be stamped out. That, and the anti-darwinism crap that's springing up.