Fabric feels like a rebrand of existing Azure services, plus a few new beta services that Microsoft is aggressively selling to their customers as fully baked

Couldn't agree more. To me, Synapse and Data Factory (ADF) are somewhat overlapping services too (sure Synapse can do some stuff like running SQL against blob storage files). I wonder what would happen to Synapse and ADF when Fabric becomes fully functional. I hope they don't kill ADF though.