I was joking but after thinking about it the Meta Conference might attract a small but fascinating audience. I doubt it would be boring. Organizing it is probably the easiest conference ever organized. You just ask for help along with the invitations.
It's such a dumb idea it <s>might</s> will actually work.
1. Create website that aggregates something tech event
2. Drive traffic to it through SEO and by utilizing the FOMO
3. Create a conference about tech conferences and have an instant audience