I agree with you completely, the "blockchain" term is confusing, and by the definition I'm using, Git would also be a sort of blockchain. The more that blockchain (the grift) expands, the more that the meaning of blockchain (the technology) is diluted.
A key difference to me between Git and Scuttlebutt, which in my (most likely flawed) view makes Scuttlebutt "blockchain-er", is the distributed nature of it. You add a friend on Scuttlebutt, and this will fetch their content from any node, and all their friends' contents. It has an "automatic replication across nodes" aspect which Git does not have.
[Disclaimer: I haven't used Scuttlebutt in a long while, so I may be getting the technical details of the friends-of-friends-replication thing wrong.]
A key difference to me between Git and Scuttlebutt, which in my (most likely flawed) view makes Scuttlebutt "blockchain-er", is the distributed nature of it. You add a friend on Scuttlebutt, and this will fetch their content from any node, and all their friends' contents. It has an "automatic replication across nodes" aspect which Git does not have.
[Disclaimer: I haven't used Scuttlebutt in a long while, so I may be getting the technical details of the friends-of-friends-replication thing wrong.]