The goal is not to find the guilty party, it’s to punish someone.

Canada should just shut down energy delivery to the US.

Or just raise the export tariff on electricity by 1% a day. They’ll shut if off themselves when they realize they can’t afford it at a 300% markup.

How is it a retcon? The use of giga- as a prefix for 10⁹ has been in use as part of the metric system since 1960. I don’t think anyone in the fledgeling computer industry was talking about giga- or mega- anything at that time. The use of mega- as a prefix for 10⁶ has been in use since 1873, over 60 years before Claude Shannon even came up with the concept of a digital computer.

if anything, the use of mega- and giga- to mean 1024 is a retcon over previous usage.