The video portrays a fun chemistry experiment making wood into a more dense, stronger material. It says nothing at all about an "issue" or solutions to "American problems."
We didn't have this problem before Trump misquoted the 2A and said "arm bears" instead of "bear arms".
Pistol wielding bears is such commonplace in the US that we have to rely on our Canadian neighbors (with stricter gun laws, especially towards bears) to come up with defensive solutions. We're too busy fighting bears.