I dont think any of the posters live in places such as the dales where the telephone boxes are vital and are needed. You can have the most expensive up to date mobile phone and you wont get a signal at all in some places, and in a lot of places you cannot get a signal to use your bank cards either. For the many walkers and bikers also the telephone boxes are a chance to contact the emergency services and this can save vital time when they are needed. As a volunteer bus driver up the dales I can tell you that they are definitely valued round here, and they are there at any time for you, including those times when your mobile runs out of money or breaks etc and you need to contact someone.
But as an overall attitude anyway, whilst I am not suggesting that we have huge amounts of phone boxes kept, or do not use bank cards if we choose; that is what it should be . A choice for those who have the money to be able to do so. The assumption that everyone can afford to have a phone and use cards to pay for things is both untrue and somewhat arrogant and city based. The banks got away with pushing the card situation for the covid situation, but it was also their intention - which they have definitely done - to close down as many branches as they can, and giving none or very poor service to people.
On principal I will not give any custom to a business or restaurant that states they only take cards. Cash is coin of the realm and legal and whilst I am quite happy with them stating their preference for cards , to refuse cash is again putting people into the haves and the have nots. It also raises prices as the banks charge business people for every transaction they make. I shop in my local market using cash. that way makes it cheaper for everyone, keeps the market going, and the short term memories of people who seem to have already forgotten that the small firms and such people as farm shops and markets were the people who came out and delivered and made great efforts. Also whilst I use direct debits etc for bills , I find having cash for any treats etc . means that I know precisely what I have available and thus do not get overdrawn. Many people get rather a shock when they have done everything on their cards and then the small unnoticed items add up at the end of the month.