One-party-consent only means you can legally record something, it doesn't necessarily mean that you're allowed to share it with (non-government) third parties later.

It could be legal to record and use as evidence in court later, but that doesn't mean you're allowed to share it with some AI company.

They TOS utilisation of the data under 'Quality and Training purposes', with implied consent by engagement with the service in question - the breadth and application of which has never had a test case to my knowledge.