I heard one economist on the ABC give the example of carwashes[2]. From the 1990s to the early 2000s, car washes in Australia were largely automated and hand-wash car washes were relatively uncommon. However, the abundance of cheap labour has since led to a proliferation of hand-wash car washes.
1. https://files.littlebird.com.au/SCR-20260525-ietj.png
2. https://www.abc.net.au/listen/programs/abc-news-daily/the-pr...