These are not stream of conciouness emails. Almost certainly lawyers reviewed or drafted it, or edited it, or suggested edits or he knew how to write a good negotiation email. This ain't necessarily how he talks to his team.
It's not that it was written off the cuff, it's that it holds up nearly 20 years later as a measured, ethical response to having his company threatened. And this email wouldn't even be public if it hadn't been evidence in court proceedings
It is strategic. You can only look at it through that lens. For an ethical measure of a company or exec: see what a company does for the greater good despite it reducing their profit.
