The internet is boring and shitty now.
In fact during the 90s it really felt like there was no technological future possible beyond what Microsoft saw fit. They would literally buy out, copy and crush every upstart who had even moderate success in the technology sector.
Never know where the future will take us, or indeed where we (techies) will take it. For all we know the next what.cd might be something far beyond its current incarnation (a distributed Spotify + Slack/IRC on steroids - anyone's guess!)
It is obviously unfortunate that the collection was illegal, but this seems clearly to be a situation where copyright law has run counter to the interests of civilization as a whole. Preservation should always trump licensing - licenses will expire, music will be passed from generation to generation.