Exactly. They were insinuating that the person turned this guy down awkwardly and disrespectfully because of the "patriarchy", whatever that means. The person being turned down was mistreated because of the other person's misconceptions and preconceptions. Theres another term for that, but you can only lead a horse to water.

Alternatively, a simpler explanation is that the person who sent the text is just a douche bag, and didn't care about this person's feelings and wasn't brave enough to let them know three or more unwanted advances prior.