Wow, I get to side with Srust58 for a change.
Humor is NOT counterproductive to positive change or productive work. Most often the opposite is true.
Humor is an effective counter measure to depression.
Humor helps relieve stress. People often make bad decisions under stress. So, yuk it up!
I believe it normal to be concerned about the gulf oil spill. Even better to do something about it.
Talking/joking about it helps focus and can refresh thinking.
Humor helps to keep us from slitting our wrists over something we are concerned about but have very little control over.
I say, if Canada or a Canadian can help, let them.
Would you rather scream in agony all the way from the 200th floor to the pavement, try your best to learn to fly, or watch the gorgeous sunset?