It's just a joke. It's also an opinion protected by the First Amendment. So even if you litigate, be literate. A medium is a newspaper or the newspaper biz, radio, television, advertising, etc. Media are all of those.
Alumni refers to males and also is used when referring to a mixed group of males and females.
If unsure to any degree, look it up. If you're 100 percent positive that you're correct, still look it up.