How comes they describe that in terms of 'convincing them that you are something you are not' rather than 'becoming something you didn't use to be'? Do they think people have an XML tag attached that reads 'beta' or something, independent of how they behave and interact? To me, the idea of convincingly faking being alpha makes as much sense as that of convincingly faking being fluent in English, and sounds like something a generalization of the anti-zombie principle would dismiss as utterly meaningless.
How comes they describe that in terms of 'convincing them that you are something you are not' rather than 'becoming something you didn't use to be'?
The given "something" is a package consisting of many parts. Some of them are easy to detect, some of them are difficult to detect. In real life there seems to be a significant correlation between the former and the latter, so people detect the former to predict the whole package.
After understanding this algorithm, other people learn the former parts, with intention to give a false impression that ...
If it's worth saying, but not worth its own post, even in Discussion, it goes here.