I wrote an outside-in analysis of Elyra, a YC-backed restaurant AI. Its Voice Agent page says "Never Miss Another Booking"; Section 17 of its Terms says no guaranteed availability and no liability for downtime. The piece looks at who actually carries that risk and what a fallback would need to look like. Section on downtime is here: https://aarushthinks.com/company-analysis/elyra#who-bears-the-downtime