Gee, Boeing MEL ... I've just searched Muppet's post with a fine-toothed comb, and I don't find the word "obstacle" in his post anywhere. Try to expand your mind a bit and think .... hmmm...what might he have meant ... what ELSE might present a hazard?
Oh yeah -- OTHER AIRCRAFT departing on closely-spaced parallel runways?!
Do you suppose two aircraft colliding might produce fatal results?
ok, I'll stop the silly sarcastic nonsense if you promise to think a bit more before hitting "Submit Reply" on your next post.