According to the passage, Maguire's findings regarding taxi drivers are significant because they provide evidence for a popular viewpoint. In his study, Maguire used a new method of analysis to assess the performance of taxi drivers.
This method showed that the taxi drivers were working longer hours and earning significantly more than previously thought. This provides evidence for the popular viewpoint that taxi drivers were underpaid and overworked, and that the true extent of their labours had been overlooked.
The findings also call into question an earlier consensus about the earnings of taxi drivers. Previous studies had suggested that taxi drivers earned significantly less than was thought, but Maguire's new method of analysis showed that this was not the case. This calls into question the veracity of the earlier consensus and provides new evidence for a different conclusion.
Finally, Maguire's findings challenge the authenticity of previous data. If the taxi drivers were indeed earning more than suggested by earlier studies, then it raises questions about the accuracy of the previous data. This means that the data used in previous studies may not be reliable, and that the conclusions of those studies should be taken with a grain of salt.
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