Blamed for Steam games ban, Mastercard encourages censorship during Riot Games VCT livestreams
(www.notebookcheck.net)
The banking sector is very competitive in the UK compared to pretty much any other country, so dodgy behaviour from banks/payment processors wasn't very frequent.
More recently, however, just like the EU, the UK is working on their own system right now. The EU doesn't have a unified payment processing system either, just a patchwork of different ones.