Don't spread any misinformation. The price for the theoretical part is 25€.
If you take the test 128 times, that comes out to 3200€, a number very similar to the one mentioned in the article.
The article does not talk about the total cost of obtaining a driver's license.
It can't be enabled by Microsoft since the tile is only a link opening the Copilot website using the TV's browser - it's a URL shorcut.