Earlier quoted context omitted.
You have my honest sympathy because of the difficulties you now suffer through, but it bears emphasizing: this is what you get when you replace what should be a physical product under your control with Internet-connected service running on third-party servers. IoT as seen on the consumer market is a Bad Idea.
It's a trade-off of risks. Leaving a key under the may could lead to a security breach.
If there are not locks that work this way it sure seems like there should be. Using cloud services to enable cool features is great. But if those services are not designed from the beginning with fallback for when the internet/cloud isn't live that is something that is a weakness that often is unwise to leave in place imo.