But, if someone loves to play CTFs and is seeking employment than its a great match. Me personally I'm a build things I want to see in the world and the job will come ... kind of person.
On hacker news you are getting a very small slice of the tech industry. And by reading HN you are subjected to repeated attempts to make you think there is a clear way to be marketable and to earn a living. Rest assured that there are people in tech that the HN crowd makes fun of that are earning fine livings and enjoying their jobs.