Parents choosing a centre or a school are making a safety decision. A review alleging poor supervision, unsafe practice or mistreatment is read far more seriously than a comment about fees or hours, and it is often the first thing a prospective family sees.
The provider's ability to respond is severely limited. You cannot discuss a child, a family, an incident or a staffing matter publicly, and even a careful reply risks identifying people if it engages with any detail at all.
Genuine concerns from a current family are permitted feedback and should be handled through your own complaints process, not through a report. What can be assessed is content that publishes private information about children, families or staff, comes from someone with no relationship to the organisation, concerns another centre or campus, comes from a former employee or a competitor, or contains threats and abuse.