Event specific dating apps ought to become a thing. Rather than speed dating at the event, try to connect with someone and plan a date ahead of time during the event. And it takes the pressure off the date as well, because if it ain't there, you just say alright well nice to meet you have a good con! And then you can maybe even set up another date if you are legit trying to find someone with this shared interest. But yea, speed dating at a con, I don't know what would be worse, my actual pitch to someone, or if someone actually fell for my pitch.