As so many commenters noted, this mom is getting not one but two basically free nannies. Not only does she have a trusted person to perform childcare, but this trusted person even has a backup. This even includes a backup car and driver. Most parents, particularly of a newborn, would kill for this sort of opportunity.
After all, at some point, the grandmother might be busy or incapacitated. Setting aside the fact that “using” your parents for free childcare can be questionable, if they are willing, then why not. This mom needs to understand that the vast majority of the population has absolutely no interest in looking after your kids, so you should cherish and support those who do. Parenting is aI am a writer at Bored Panda.