He didn't make a right call, what he was saying can never be defined as a "call", just saying it's going to go down doesn't make it a "call", to make a call he has to give a target a priori, which he didn't, it's all hindsight.
I mean in the vernacular sense.
Nagle said Bitcoin was dead, and evorhees said he and others were still building it. Evorhees was correct and Nagle was incorrect.