At what point are the people having heart attacks responsible for stopping them? The people having heart attacks need to treat them themselves, not run away to a hospital.
If anything, my comment was a false analogy, not a straw man.
Your comment was arguably a straw man, however, as it attacked a point which the article did not make (i.e., Hong Kong should not be responsible for itself) instead of any of the actual arguments (which focused on the benefits to the United States: strategic, economic, and political).