"Do you think these are effective techniques that, if applied "perfectly", would incapacitate an opponent?"
ANY technique "perfectly" exectuted would incapacitate the opponent (IMNSHO).
Unfortunately, perfection is something that doesn't happen much on the street...or anywhere else.
I don't think there is anything out there that is 100% reliably going to incapacitate anyone (discounting techology, like thermo-nuclear weapons
In the street, you do what you must to survive. If that means you dump the guy on his head...great. If he gets up, or keeps fighting...hurt him more.
"The fight is over when one opponent has lost the will to continue fighting" - T. Blauer
Food for thought
Tell the Spartans, stranger passing by,
that here obident to their laws we lie
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