Kindly look at the eligibility requirements here, it says EITHER 24 months Canadian work experience or job offer.I disagree with your statement UNTIL i know even one caregiver who was granted PR even without experience. I really wish you will prove me wrong...
https://www.canada.ca/en/immigration-refugees-citizenship/corporate/publications-manuals/operational-bulletins-manuals/permanent-residence/economic-classes/pathways-for-caregivers/child-care-provider-support-pilots/assessing-application-selection-criteria.html