If you can only find 5 mass killings with knifes in 3 years, does that not proof his point? That it's rare. Just like knife kills in the UK, which is less then

If you can only find 5 mass killings with knifes in 3 years, does that not proof his point? That it's rare. Just like knife kills in the UK, which is less then knife kills in the US AFAIK.