> They live in the UK, and maybe spend time online
I think "maybe" drastically undersells the amount of time and things some people do online (generally the younger generations).
You're also overlooking that a very large portion of daily life has moved online and it's important to protect that. Everything from buying groceries, booking doctors appointments to looking up the menu of local restaurants.
I'd want all my personal and payment details protected, and it's reassuring to know information I'm reviewing hasn't been maliciously tampered with.