Is that right though? I thought the recent case was about whether McBride was unfairly dismissed because of the McKie case, not about whether the identification of McKie's fingerprint was correct or not. Not the same thing at all and, as far as I aware, the ruling that McKie's prints were incorrectly identified still stands.
Whether fingerprints are unique or not isn't really the issue though. It is whether they are reliably identified, either by machine (ie a phone) or person (the fingerprint "experts"). Bottom like is that both can get it wrong and have been proved to get it wrong time and time again. (same with dna tests, witness statements etc etc)
Not of this really the point though, I don't think there has been a payment method invented that cannot be fooled - it really comes down to what you find most convenient and an
acceptable risk.
btw. Those saying they never use cash would have been screwed if they had been with me today. Some fault meant all car park ticket machines had gone to cash only mode - I wasn't getting out without my stack of £1 coins.