I think it would be naive to think it’s just the residences that attract people. The association and living Royals are a major pull for this country and abolishing a family would make us as bland as so many other countries out there that murdered theirs centuries ago. We don’t have to follow them and be interested, but I’m astonished how many people aren’t aware of the economic importance they carry.
Speaking as an American who dearly hopes to visit someday, I honestly only cared about the late Queen. And she's gone now and there will never be one like her again, certainly not in my lifetime.
And once my generation is gone, dont count on the younger ones even knowing or caring there is a royal family still in existence, let alone who exactly they might be. A lot of people here generally believe the surviving members of the royal family are a scandal plagued mess and cant name individual members very easily.
My kids and their friends just barely know and admire Harry and Meghan, and that is because those two are over here now, and because they're an interracial royal couple and that representation does matter to many people.
Nobody their age that I know has any idea who William is at all. He and Kate are on magazine covers here but nobody under 50 pays attention to that.
Even my Sister in law, who is an enthusiastic Anglophile, couldn't remember Kate or Camilla by name. When I reminded her of Camilla, she shuddered and made a face. That scandal will never die.
King Charles has name recognition here but only because he's been around almost as long as his mother. There's a vague awareness he was an environmentalist before it was cool. After that, sadly he's mostly known as that guy who inexplicably ditched the beautiful and beloved Princess for...someone her polar opposite. I can't think of anyone excited about visiting Buckingham Palace because of him. His wife will likely be the reason many of my peers will stay away.
Prince Andrew has name recognition here. But it's not positive.
My friends who consider themselves Anglophiles barely acknowledge a royal family even exists and are frankly more interested in seeing the kinds of places that inspired Harry Potter and Downton Abbey and All Creatures Great and Small and so forth.
England and the UK have much more to offer than a scandal plagued family.