Banning people from seeing someone because they are vaccinated is unfair, but not dangerous.
Allowing newly vaxxed people to visit a newborn is not fair to the newborn, BUT HIGHLY DANGEROUS.
COVID-vaccinated can ‘shed’ spike protein, harming unvaccinated:
https://principia-scientific.com/covid-vaccinated-can-shed-spike-protein-harming-unvaccinated/
If something happens to your baby, you will never forgive yourself. It might be helpful to wait until the baby is older and more robust, and the parents are further away in time from their "vaccination".
Banning people from seeing someone because they are vaccinated is unfair, but not dangerous.
Allowing newly vaxxed people to visit a newborn is not fair to the newborn, BUT HIGHLY DANGEROUS.
If something happens to your baby, you will never forgive yourself.