Naptime for 4 year old

In my state the guideline for naps states after 30 minutes children must not be required to remain on cot. My child is 4 and his daycare is requiring all kids sleeping or not to remain on cots the entire 2 hour nap time. They do offer quiet toys and books if kids are awake. From my understanding this is not allowed. It was brought to their attention and I was met with it's a staffing thing and they need to complete breaks during this time. Is this common? Should I push harder for change? Report it?

I'm shocked kids in this age group are still napping even. My kid hasn't napped at home in quite some time.