[mortehu]

The hair dryer, unlike a blockchain, is not a technology for durable, immutable and highly available storage, so I wouldn't judge it based on energy per byte second.

[cyphertruck]

That us not the purpose of bitcoin. (There is no “blockchain technology”)

While bitcoin is a record of transactions, and as such a database, it was not created to be a database.

Did you read the OP article?