I cringed watching that video. When he was prying apart the wood all I could think is "That guy is one slip away from a trip to the hospital, or morgue."
As far as the knifes prying ability, naturally we aren't able to inspect the knife afterwards to tell if the pivot sustained any damage.
Is that what people are doing with their knives on Youtube? I wonder how many aspiring "knife-testers" wind up in the hospital, or with life-long, crippling, knife-related injuries. Perhaps all the "knife-test blooper" videos don't make it onto Youtube.
Folding pry-bar, isn't that like "jumbo-shrimp"