Elsewhere is the figure 0.1%, off by a factor of 10. It's not clear whether 1 in 1000 or 1 in 10000 rentals results in theft.

However, just because 1 in 1000 rentals results in theft doesn't mean one's assessment is 99.9% effective in blocking bad actors.

Bad actors are currently a tiny minority of their users. Apparently 1 in 1000. If you blocked 99.99% of them, then theft would drop to 1 in 10,000,000 rentals. Her claimed numbers make no sense in the context of their actual theft rates. And yes, legally under criminal law it is theft, it is not voluntary parting. Voluntary parting does not appear to be a principle from criminal law and instead is something invented by insurance industry contract attorneys to deny responsibility for insurance claims.