General Motors established its pension in the “treaty of Detroit,” the five-year contract that it signed with the United Automobile Workers in 1950..."
And as for the contract, presumably it was also signed by management, not just the union.
"Non computer" stuff is often ok if it's just some random, interesting thing that's "food for the brain", but when you get into politics and economics (at least some kinds of economics) and stuff like that, it's just poison.