Who uses Royal Mail these days anyway? I can't remember the last time I sent an actual letter and the only letters I get in the post are bills and spam. Mostly spam since most places offer paperless billing these days too
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As for parcels, we order loads online, but I'd say less than 1 in 10 comes with Royal Mail. Big places have their own couriers these days and smaller places use other couriers. Also if sending something... why would anyone trek to the post office when you can use other couriers that are cheaper, and will collect from your door?
I think it'll become an outdated service in the next decade or so tbh... the government DID sell it off far too cheaply, but I don't think there's much point re-aquiring it now. The private shareholders have a few more years to cream profits from it before it starts losing money and becomes defunct, I'd say. It's not even "a shame", really, paper mail is MASSIVELY wasteful.