@nilkin "You give me more money or I leave." vs. Just walking away from the negotiation. From my experience if you give in to "You give me more money or I leave" 6 months down the road it will be another "You give me more money or I leave" and then another.
Wikipedia: "Blackmail is an act [..] involving unjustified threats to make [..] cause loss to another unless a demand is met."
From my point as a hiring manager for quite some time, I can only second "danger, high risk, unprofessional, possibly unstable individual who does not know how to behave in a business setting.
Fellow poor soul, over the last 10 years whenever a server has high load I've got angry about the fact that load avg is not actionable, and exactly that "or even find out if it's because of IO or network"