Kilgore Trout
Misanthropic Humanist
In just about everything I've done in life, I've sooner or later taken a leadership position, but this "alpha male" pseudo-science really cracks me up. Near as I can see, it's just another bit of BS for our modern age.
I find it highly similar to the fad of people calling themselves "type-a" personalities. In both cases, people who call themselves either an "alpha male" or a "type-a personality," seem to have a tendency to confuse being loud, impatient, pushy, and frantic with being somehow dominant or a leader of some type.
I find it an amusing, yet useful filter which lets me know how seriously to take someone and how to interact with them if I have to, or to dismiss them if interaction is optional.