Come on, not with killing the parents, that's not that close to the human experience of reproduction. Raising a baby is really fascinating and fulfilling albeit tiring and really I feel other people should be just a tiny bit more helpful. But maybe if they might catch the baby fever from helping it would be even more on existing parents to help each out than it is - or more on grandparents (maybe you can only catch it if you are younger).

And what would the anti-vax position here be?