I agree with the author. No words for people who are not willing to share their ideas as they don't belong to this world. Are they sure about they haven't stole any ideas from anybody??

The below lines applicable to anybody

"known is a drop.. unknown is an ocean"

The advantage of internet is sharing things to save our counterparts who might be in need of a valuable suggestion which will save him and his job and the other guy gets a satisfaction when somebody thanks from other part of the world.