I think the idea that HMRC (who have a limited enforcement budget and were pressured into taking this action by outside campaigners) is the one exploiting the tax system and corporations that spend vast sums of money coming up with creative reinterpretations of terms to dramatically increase their post tax profitability are merely bemused by its complexity is an odd take. Particularly when the company in question is notorious for creative reinterpretation of or plain ignoring regulations inconvenient to it.

VAT isn't a particularly complicated tax. This dispute relates to the fact Uber tried and failed to convince UK courts that its drivers were self employed under UK law so it lost its grounds for only owing VAT on commissions. (afaik they hadn't provided any mechanism to pay VAT invoices to the minority of drivers with self-employment earnings over the VAT threshold, so it's difficult to argue they were doing their level best to comply with VAT law under the "self employed contractor" model anyway)