It was never appropriate. It was created by consultants to sell consulting services. In that way, it's a huge success. As a practical development methodology, it's always been a disaster.
At the consultancy company i worked for in the past they would rent out dev teams in sprints time periods xD. As a way to get a foothold at a new client. First design do orientating talks about the full product. Start shaving away features for the MVP and sell the MVP as the first shot.
I found it quiet genius move from their sales teams. Because usually customer went well actually i could also use feature x, y and z that didn't made the MVP product.
It was created by consultants to sell consulting services.
This is not how it works. "All revolutions are conceived by idealists, implemented by fanatics, and its fruits are stolen by scoundrels" — Thomas Carlyle.
I found it quiet genius move from their sales teams. Because usually customer went well actually i could also use feature x, y and z that didn't made the MVP product.