The powers that be will likely push for cashless society because it gives them more surveillance & control
If credit/debit cards were the norm and cash was invented today, it would likely be outlawed down because criminals/terrorists/child kidnappers will use if for nefarious purposes
Here's the girl's facebook post since it wasn't linked in the article: https://www.facebook.com/emma.maclean.376/posts/1624020878439140?ref=embed_post