[eternalban]

And that is an interesting meta-point, in context. (What is kept in view.)

So yes, as an example, Herodotous may have been a Greek political exile ("loser"), but the fact that Arabs managed to destroy substantial chunks of Sassanid Iranian records and archives left the Greek version of the ancient Persia to persist until well into 20th century.

This is the sense of the phrase "history is written by victors". It has nothing to do with the individual historians (since they are not warriors) but with their supporting sociopolitical/cultural context.