Pretty sure this flowchart originated with SFIV, I don't recall Ken having this reputation back with ST/HD Remix or 3S. You may think this is just a meme but this is reality, just yesterday I fought a Ken who did SHORYUKEN every single time he was unsafe and heavy tatsus from fullscreen, not to mention run cancels at every possible time. The big question is why Ken? Its not like he is the easiest to use no? I don't play shotos but I would suspect someone like Cammy or Birdie would a much better pick if you wanna shut down your brain for a bit, atleast at the lower ranks.
It doesn't help that Ken in SFV looks like