Why are all porn actors referred to as "stars"?

[kenobi_65]

@gaffa

Another excellent resource is the two " Ask the (Not So) Amateur Porn Director" threads by Doper MikeSouth

Ask the (Not So) Amateur Porn Director

Another AMA for the (not so) Amateur Porn Director

I was just reading the first of those threads (from 2012), and saw this, as he mentioned his favorite actors:

@MikeSouth

Stormy Daniels can act passably