[igorhvr]

I don't think that is a fair assessment of him, even then.

At any case, I hired him fairly recently for a security audit and he worked quickly, and was very effective (he found several important vulnerabilities and reported them in a crystal clear manner). He was also a pleasure to deal with (no bullshit stance, something I find enjoyable).

The 4000 USD for ~20 hours of work were definitely well spent!

[Kudos]

The parent was asking why Github haven't hired him, not why nobody has hired him. If you remember, Github actually banned him for hacking the Rails account in his pentesting.