Why do you think this?
Mad Men Season 5 - Page 43
Maybe he isn't in reality, but everyone else thinks is he, which results in pretty much the same outcomes.
Although, I don't think anyone who isn't an alpha could finger-bang a woman into submission in a hallway.
Well, there's the whole fact that he's play acting his life. Maybe "the real Dick Whitman" is some flaccid nerd, but he's put on this PUA-style alpha persona as Don Draper.
I don't really buy that, but it's a theory I guess.
If it truly did begin as an act, then surely the fact that he's carried it on so successfully and so pervasively for all these years -- including in his private moments, where there's no audience for it -- suggests that he's achieved alphahood by now. It may have begun as a costume, but if the costume fits, then so be it.
There's no rational argument, one way or the other, against Don Draper's alpha status. He is as alpha a man as the show has to offer. That may be the entire point of his character, actually.
When his marriage w Betty was on the rocks and he was living out of a hotel room for a while.