Have these robotaxis really reached the "plateau of productivity" now? The article doesn't say whether these ventures are profitable yet, or at least whether t

Have these robotaxis really reached the "plateau of productivity" now? The article doesn't say whether these ventures are profitable yet, or at least whether their losses are decreasing to zero. How do their operating expenses compare with conventional taxi fleets? Don't they need constant monitoring and ready staff to address issues? Not to mention periodic maintenance of the geofenced area to update maps and rules as conditions change?