It’s extremely dangerous, they haven’t exactly made it clear what the implications of a missing payment will be for people following it. Yes it’s a very valid protest but what about the ruined credit rating if you ever want a mortgage or to rent a property, ever need finance on a car, credit cards, want to buy now pay later on products. None of that is possible without a good credit rating. As well as that you have the possibly of legal action being taken against you which will end up costing you thousands too. Not sure all of that is worthwhile to protest a bill you will end up having to pay at some stage anyway