There will always be exceptions. OP was talking about the population at large, and it's important to think like that when you want to appeal to a large audience, like Google does. And I also think they are right about which age bracket is primarily hoarding mp3s in 2020; it's the ones that were young enough at the time to jump on to mp3s, but had enough time to build up a collection they would not want to lose. Of course, there will be other niches, such as audiophiles with flacs, or rare music collectors, etc, but compared to Joe Public, it's a drop in the ocean.