The individual operating this account has, concerning appointments
- Rescheduled 1
- Missed 3
- and deleted a confirmation message they sent (6 minutes before a scheduled meeting)

Despite several attempts, till date, they've never answered a voice or video call. At worst, this is dangerous, but at best, this is unreliable behaviour. Our experience with them was over a period of 2 weeks, so this might be an isolated incident. Others may yet give them the benefit of the doubt.