100% correct. Trading is learning. And learning is not obtaining knowledge but getting specific skills. A skill is an "aquired habit". A human needs 20 to 40 days to get or get rid of any habit. Why then an average trader needs years to learn, and many never succeed? Because the apprentice does...
One should be aware that no one article here is a scientific investigation. The author has noticed an interesting irregularity and it's up to you to decide what to do with JPY next August.