Hypergamy increases the chances that the woman will stay single. If you take the vaxxed out of the potential pool, there simply aren’t enough men to choose from for the average woman.
The article is about dating, not marrying, and a woman seeking children may not care if the father of their children has children with other women as long as her children are healthy.
Experimenting with the Jim Jones Jab puts the potential father at risk both directly due to physical effects as well as the impact to their altered DNA which would be passed on to their children.