Re: 'there remained concerns that systems were so easily manipulated'
simply instruct the drivers to take a selfie when instructed
Because that would imply they would need extra admin staff[1] to check that the selfies matched the driver picture. And hiring extra people would put them even further into debit on their financals.
[1] Because, as we all know, 'AI'[2] really, really isn't good enough to do a proper job.
[2] AKA 'rules matching logic, trained by random sample that usually isn't that random'