No, most of the people saying Mythics are ridiculously easy are people mocking the people who refuse to do anything but queued content, not said refuseniks.
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As an aside, I could never figure that out. I did Cata heroics at launch, and the difficulty I recall was mechanics that would gib you if you didn't know what to do - I don't recall any runs that were any worse than "gib, wipe, someone explains, try again, succeed".