I thought your point was "it's based on 30 year old+ technology called Merkle Trees, which sucked *then* and didn't get used for anything other than aggregating log files"...You named the one tech — Git — whose most efficient use case is in GitHub , a centralized store of a merkle tree, because it isn’t efficient to store in a distributed way.
You just made my point for me.
I just gave one example to the contrary, based on software that I and over 70 million other developers use every day.