[lawn]

Because cryptocurrencies were already working.

"Use another cryptocurrency" would be a much better recommendation that would solve the problem much better than tabs.

The reason why Bitcoin stopped working well was because Adam Back and others were actively sabotaging it's ability to cope with demand, and instead pushing people towards other solutions.

Those solutions were nowhere near ready, so the best Adam could come up with (except admitting they were wrong) was Tabs.

So yeah, instead of a brainfart it could just be malicious behavior.