He probably does it for the same reason we program and tell the world about it on HackerNews - accolades. People are partly driven by peer approval. Another th

He probably does it for the same reason we program and tell the world about it on HackerNews - accolades. People are partly driven by peer approval. Another thing is that this type of job, relying on gambling for a living, can be prone to huge swings in wins and losses. So people look for ways to soften the blows with stable income.