Hosting costs money. Theoretically (some) cryptocurrency can obfuscate that but… there is a reason graph problems got really popular again for a little bit.
But domain names also cost money. They also need to be registered to a person/company.
That is why a lot of torrent sites end up getting their domain stolen.
Also, all of this ignores the actual developers. But that is par for the course when it comes to discussing liability with open source projects.
And they change nothing? It still boils down to human beings being liable.