Re: Reseachers.. white hat or black hat?
If an exploit is simple enough to understand by studying the released code, than it might able to be reverse-engineered just from publishing the concept and vulnerability without the code.
Also since the vast majority of black-hats are basically just script kiddies, if they copy published code they are using a known attack vector which might help the security experts anticipate it rather than have to respond to something a bit more novel.