If this is so obvious then why are we ok with such lack of security here on nosrt? I'm not a dev but I would think that those who are (brilliant as they are) would work this out. Is it just to hard to do at this point in the development? 

 He is being sarcastic. Listen to the hole recording. You can't take a thousand signatures and reverse engineer a private key. 

 Gotcha. I will tune into the whole recording. Thanks.