The absence of PoC code, or worse, the lack of a public exploit, is justification for a delay in patching, says Olney. Olney: There are more security slots in the world than there are people with the talent and background to PoC every patch Microsoft puts out. The people who are stupid enough to require someone else to write their exploits for them are not the people you need to worry about. If you can’t defend against them, you deserve to fail.”]
Source: https://blog.talosintelligence.com/2009/07/only-whitehat-journalists-need.html