Everything that wasn't the same way in my childhood is wrong just because the way I learned it is superior.
Another argument might be that TV shows nowadays have a tendency to put more effort into graphical effects than into proper research, although that is partially true for lots of journalism. A book written by a scientist is usually better researched, however with all the plagiarism and stuff we have going nowadays, one can never be sure.
I suggest if you want to know something, research it yourself, go to archives, libraries, interview people etc.
Or read Wikipedia.
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