Just an anecdata point but I was one of the people who used Napster for legitimate purposes (I used it to distribute music I created, gaining small recognition that wasn’t something I could’ve achieved otherwise with my music and my means and other technologies available). The thing that was disappointing in the fallout was that it caused many years of evasion tactics that made finding a comparable distribution multiplier very difficult. For my own use, I stopped caring about making music for others and trying to find a way to get an audience, and I happily play and write music now for my own joy and amusement, but I hate to think how many artists really struggled to find an audience the same way and came up short