These buyers agreed to move into a house for which there is both a one-time-fee equal to, let's say, $300k, and a monthly rent. They may (or may not) be refunded a large portion of their move-in fee when they move out but the monthly rent amount is controlled by a landlord. This is the agreement they apparently signed up for.
It's a home, yes.
It's a significant portion of most people's net worth, yes.
But it's also a subscription service.