What is significant about the women in Matthew’s genealogy?

I’m reading through Amy Elizabeth Richter’s dissertation The Enochic Watchers’ Template and the Gospel of Matthew. Besides making the case that these specific women restore what was broken when the Watchers’ shared illicit knowledge and sorcery with humans – using the Watchers’ template against them so to speak, Richter does a great job in her introductory pages summarizing the salient aspects of how the Watchers’, in 1 Enoch, share the blame in bringing sin into the world.