It's interesting about Reeves because ultimately it seems no substantive action was taken against her by HBOS. Fiddling your expenses is usually a cast iron way to be sacked because it shows you are taking money from the organization for your own advantage, whether by gift cards or otherwise.
Therefore if they want rid of you, this is the easiest way to do it. That does not seem to be have been the outcome here.
It's one thing to say Reeves used these cards to her own advantage, but if it was effectively underwritten by senior management then the chances were HBOS would do nothing or write off the cost as Reeves had not actually breached her contract of employment.
Anyway, she has to survive for the next six months. If the economy picks up she will manage that. Unless these claims are being driven by her own side, in which case, then she has real problems.