Affected product owner here, I can clarify. First they do not lock from the inside, so they never prevent people from leaving, there's no issue there. Also th

Affected product owner here, I can clarify. First they do not lock from the inside, so they never prevent people from leaving, there's no issue there. Also they fail closed so at least my venues weren't open for thieves to just walk in (SOMA in SF is not exactly the best place to leave your doors unlocked). They do accept traditional keys but the whole point of the lock is to delegate restricted access to people at certain times and with logs/notifications. So a physical key is like an admin override, not to be used in normal circumstances. As such, only me and my partner have them, and we generally never use them. In a wonderful example of Murphy's Law we were both out of town this weekend so all the people that were supposed to be coming to the venue to set up for a show were locked out with no recourse, it was a huge mess. Long story short, the use case of these locks renders the traditional key fallback less than ideal.