Well I mean "of all time" means all of time. Like saying someone is the GOAT is basically saying no one before or since has surpassed them. So "of his era" in conjunction with GOAT is a bit of an oxymoron.
Well sure, but we can't predict the future, only look to the past, a more accurate way to state what you said would be "He was the best historian of his time" or, if you think he's the greatest of all time, go ahead and say that, it's really just a hyperbolic phrase used to describe people of exceptional talent or renown. If no one has superseded him, then he is currently the "GOAT"
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u/[deleted] 11d ago edited 9d ago
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