The modern artist simply follows the original outlines. Because matter she surely does, and to many people. Perhaps more come to her grave than come to see Dunning's other well-known monument, the 12th century church of St. Serf's. A photograph of their holiday in Scotland clearly shows them at the cairn. As visitors, they are fortunately an exception, although of course a few people bring ghoulish fantasies.
Locals are pretty matter of fact about the whole business of the grave.
Maggie Wall's Wood it was called. We weren't scared or anything like that. People visit the site for all sorts of reasons. Scotland's dark and bloody history fascinates some. Perhaps others come to pity, bringing flowers bought from a shop, or taken from the hedgerows.