You're the one claiming it's the "most moronic decision ever".
The burden of proof is on you to support your claim that they could have executed a 7nm process profitably, as opposed to them looking at the data and coming to a rational conclusion that they couldn't.
> The burden of proof is on you to support your claim that they could have executed a 7nm process profitably
Why the fuck I'd have to prove that given that GloFo themselves claimed that they pulled out of it because it'd be unprofitable? Some people in this subthread are very eager to put words into my mouth.