Because of articles like this one. Who else can make a discussion of abortion and pornography funny?
The presence of a new baby or a pregnant woman would certainly mess up the storyline (I use the term loosely) of the typical porn film. Outside the porn industry, contraception with abortion as a backup delivers women to men for their use. Separating sex from conception removes constraints and responsibilities from men, and invites them to use women as objects. This is just as Paul VI predicted in Humanae Vitae, back in 1968.
You can check out her website, here.