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Despite the great calligraphy (calligraphy as in fancy artistic penmanship), there is a huge typo on this person's torso.
Bushido, the way of the warrior in Japanese is written as 武士道, not with 侍 in the middle. 侍 itself means samurai or warrior, but 武侍道 makes no sense in Japanese. Especially considering Bushido is a Japanese concept.
"Bullshitdo", the way of bullshit, would be more fitting.