Less "extremely negative" - but there's at least a few "net-negative" things here: for example, the Ethereum and Web3 papers. Smart-contracts and NFTs failed to

Less "extremely negative" - but there's at least a few "net-negative" things here: for example, the Ethereum and Web3 papers. Smart-contracts and NFTs failed to create any meaningful value or have any lasting economic impact, while their negatives at the time were well-reported (and let's include "crimes against taste" in that too).