If you make a statement you have to prove it. So if it is a fact that there no Okinawan karate masters in nhb you have to show that which of course you can't do. Facts have sources.
(I know we have walked down the road to insane town before with this idea but that is the generally accepted way to go.)
Expecting the evidence to present itself then drawing strong conclusions with a bunch of hidden assumptions is the insanely risky road. A working scientist might agree.
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