Well of course they are months behind on rent, as the eviction moratorium didn't forgive anyone of rent that was due, it merely stopped the eviction process so that the due rent could continue to accumulate. In this way, the moratorium contributed to people owing more rent than they otherwise would have.
This is like saying "Millions of Americans still have credit card debt after law prohibiting cancelling of credit cards due to unpaid debts".
This is like saying "Millions of Americans still have credit card debt after law prohibiting cancelling of credit cards due to unpaid debts".