I know that sentence seems absurdly light but it’s important to remember that in England, there’s a lot of precedent for rich perverts being treated differently. It’s a major part of their history, second only to paying those perverts rent with eels.
It’s because they don’t use the same wireless networks as phones and have like a 96h battery life. That’s why hospitals give them to doctors. And plenty of people still use walkie-talkies because they work (within a certain range) even when nothing else does.
Also, the pager companies are still in business mostly because of the pucks you get at a restaurant that buzz when your table or food is ready. “Obsolete” tech that’s dirt cheap can sometimes hang around for niche use cases.