I can find nothing from any Danish sources about this. The closest I got was someone saying this was real by linking to the concept of “Beredskabsbutikker”, which are very crucially not busses, not mobile, not in any way related to elder care, and don’t yet exist.

To get old people on facebook to follow their page so they can spam them with advertisements. It’s the same reason they do the prawn jesus shit as well.