Once bitten, twice shy. I too won’t be buying away tickets again while train disputes persist. it’s just becoming an expensive way to accrue loyalty points.
A number of people I’m hearing getting collared with fines for this at Sainsbury in Horsham including ourselves. It was the change in system that done it for us.
https://www.sussexexpress.co.uk/news/people/concerns-over-new-parking-system-at-horsham-supermarket-3791078?amp