The post if I remember was mostly ignored, but received a few downvotes and maybe a couple of negative comments.
Based on that, it seems that what's preventing decentralization from taking off is ignorance and apathy.
A day or two later the guy announced npm, Inc. if I remember.
There are actually a lot more developers that have accepted a federated services worldview than a peer-based fully distributed one. But there are package registry projects along both of those lines.
https://github.com/orbs-network/decentralized-npm
https://blog.aragon.one/using-apm-to-replace-npm-and-other-c...
https://github.com/entropic-dev/entyropic
But again, ignorance, apathy, and the status quo remain the most popular options.
[Edit]: Here is another using the BitTorrent protocol - https://github.com/cjb/GitTorrent
Looks like it's abandoned, but it's a start at using ETH and IPFS.
Interestingly, this was posted to HN 8 times in 2016, and of those 8 posts, only 1 received a comment:
https://hn.algolia.com/?query=Mango:%20Git%20completely%20de...
This is the Git repo. Hasn't had much action since 2016:
There are a few issues where the MS acquisition of GitHub is a topic:
https://github.com/axic/mango/issues/5
https://github.com/axic/mango/issues/4
Potential future project possibly leveraging EOS blockchain:
Source code is currently unavailable as it is hosted on ... drum roll ... GitHub: https://github.com/axic/mango.