If you can’t make it in person, the event will be live-streamed (linked to inside the article) and will make it on to youtube at some point.
I’d call it a pretty big stretch to include Go there.
Ok, out of curiosity, did you read the description of the Go talk?
The criteria was languages that have been released to the public in the last 10 years, Go fits that.
I’m pretty sure people also participated in medieval reenactments in the last decade; that doesn’t turn the middle ages into a particular modern concept.