This is ridiculous. While Herodotus is not exactly an unimpeachable source, his favorable treatment of and even occasional open admiration for the Persians in his Histories puts lie to the silly notion that he was somehow biased against them.
While Herodotus is not exactly an unimpeachable source, his favorable treatment of and even occasional open admiration for the Persians in his Histories puts lie to the silly notion that he was somehow biased against them.
He had to be biased against them, he wasn't a Persian.