I think it's a good shout considering here in the UK, most people are leasing their cars because they can get a higher spec car that they wouldn't normally be able to afford and they hand it back after 2/3/4 years. The servicing and MOT is also covered.
I can see why though because buying a used car to then find out weeks later that it needs money spent on it and sometimes a lot of money. Especially now with all the electrics side of things and it's only the dealer that will be able to sort these problems out unless an independent garage pays silly money for a license to do the same work as the dealer.
So yeah I can see this prediction being fairly accurate.