Your argument relies on others' opinions and is therefore weak. If you want to argue about the merits of blockchain as a distributed database versus, say, an actual distributed database, then I'm happy to have that conversation. I work with software and databases so I would be happy to help you understand why it is so much less efficient than something like Cassandra or even regular SQL databases.
I always find it very interesting how the technically skilled are very wary of crypto's, while the noobs, who really don't understand it, are bullish.