What I'm understanding here is, that while it might be profitable to someone to have an exploit on hand that they can use, the actual work that goes into turning a profit from the exploit may be me costly enough that its not worth pursuing.

Not sure if you read Cryptonomicon, but there's a part there where Randy Waterhouse finds a crap load of gold in the middle of a jungle and then rationalizes that there's no easy way to get it out of there, making it worthless at that moment. That gold has value, but no liquidity.

This is a forum focused on the startup community. The difference between the merely-useful and the truly-marketable has been discussed ad nauseum on these pages, as that difference makes and breaks many startups.

Not an insult. https://news.ycombinator.com/item?id=11251104