I was wondering the same thing! But I'm pretty sure YC knows what to expect from even the best hackers at hackathons - 24 hours of hacking is not the same as mo

I was wondering the same thing! But I'm pretty sure YC knows what to expect from even the best hackers at hackathons - 24 hours of hacking is not the same as months/years of customer discovery and polish. (Not saying hackathon hacks can't be viable or polished, I've seen many that are absolutely both.)