[alach11]

"Quantity has a quality all its own". It's categorically different to be able to do harm cheaply at scale vs. doing it at great cost/effort.

[sodality2]

Categorically different? Sure. A valid excuse to ban certain forms of linear algebra? No.

And before someone says it's reductive to say it's just numbers, you could make the same argument in favor of cryptographic export controls, that the harm it does is larger than the benefit. Yet the benefit we can see in hindsight was clearly worth it.