Is jp Australia's hydrofoil better that FRPgear's fin-foil?

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Is jp Australia's hydrofoil better that FRPgear's fin-foil? Two women including a mother and daughter in my town got completely paralyzed from getting hit by that specifically giant hydrofoil right on the back of the neck where the spine is. The police completely banned JP Australia's hydrofoils in our designated swimming areas. Pros and cons of JP's hydrofoil??? How does JP's hydrofoil compare to FRPgear's fin-foil???