"I also don't understand why people give good zero days away for free..." Quite some hackers are a really special (in a good way) kind of people who are in it

"I also don't understand why people give good zero days away for free..." Quite some hackers are a really special (in a good way) kind of people who are in it only for the intellectual challenge. Now food for thoughts: Rudyard Kipling once warned students against an over-concern for money, position or glory, he said: “Some day you will meet a man who cares for none of these things. Then you will know how poor you are..."