> She seems to be saying that she is not capable of giving consent, meaning that she is the legal equivalent of a child.

What in this post could lead anyone to that conclusion?

The author established sexual boundaries

> When I became romantically involved with Jacob, I clearly told him that I wasn't interested in group sex, or having sex in front of other people. I told him this more than once, and clearly stated that if we were going to be intimate, I wanted it to be with him in a private setting.

And had those boundaries violated while intoxicated