The article expresses surprise that people are taking far more interest in "end-of-life" decisions in the wake of Terri Schiavo's death. The real lesson here is that people realized Terri was put to death at Michael's wish, not her own. They are trying now to protect against that same horror for themselves.
Terri's Legacy
The surge rose late and continued like a tsunami rather than just a wave coming and leaving. They must be surprised because they can't imagine their pal as someone unsavory.
It is another example of the unexpected consequences of the travesty against Terri resulting in a greater public awareness.