Not touchy at all. But it doesn't take much expertise to paddle a kayak in calm water, and you don't need to fill it with 600 lb of Semtex to do serious damage.
It looked like a credible warning to me, and not deserving of ridicule.
If the source on the post is accurate, I am sure it is a credible warning being sent to the proper persons.
Posting inter-departmental memos regarding credible threats to this nation on the internet, should be more a concern to you and the others here , than my weak attempt at humor.