Even being a negative feedback is good to keep bitcoin alive,soo being good or bad feedbacks wont affect in any way the bitcoin ,just need to keep being talking about it,its wizzard bitcoin is soo related to the ilegal that it is growing and well time will teacth who didnt enter early to think twice about inovation.
I don't think you need to worry about bad advertising. Bitcoin won't be affected just because some reporter tried to stir the waves a bit with his article.