Overwhelming evidence is needed that Gate's philanthropy will be remembered more than his computing career. Carnegie is remembered for steel before philanthropy.
Carnegie's wiki page "Andrew Carnegie was a Scottish-American industrialist who led the enormous expansion of the American steel industry in the late 19th century. He built a leadership role as a philanthropist for the United States and the British Empire."
Carnegie's wiki page "Andrew Carnegie was a Scottish-American industrialist who led the enormous expansion of the American steel industry in the late 19th century. He built a leadership role as a philanthropist for the United States and the British Empire."