It's rude to tell someone else that they're parenting poorly.
Cindy hears that Sarah is sending her kids back to school in the fall.
Cindy wants to comment on the siutation.
Cindy suggests that she can help tutor Sarah's kids as an alternative.
Cindy criticizes Sarah for risking her kids' health during the pandemic.
Sarah keeps her kids home instead of sending them to school.
Sarah tells Cindy to keep her opinions to herself.