If they get fat, there's the BBW guys, and it's growing as society gets fatter and more accepting of fat people.
What I think will happen though is this same "normal" girls at some point in the not so distant future will start monetizing actual porn penetration and so on clips but doing it with their own husbands, bfs and so on, which many are actually doing now already but what I mean is a gigantic platform where they will be able to do those porn clips just by signing in and start broadcasting, just as easy as facebook or any of those platforms.
According to her posts on Instagram, she is in a relationship.