This call for the ban on long pointy kitchen knives is moronic in the extreme. How long does a knife have to be to pierce the carotid artery? One or two inches? What next a law to only allow sharp knives to a maximum length of half inch? No sharp knives at all? These ban happy morons seem to forget that criminals by their very nature don't obey the law.
So long pointy kitchen knives are gone, what next? The criminals will move on to the next readily available item they can get hold of to hurt people with. I guess you will then have to ban that as well. Screwdrivers, hammers, knitting needles, chisels, sticks, rocks, a ban on anything hard and over a certain weight?
All banning does is remove it from the hands of the law abiding people it does nothing to stop the criminals having them or using them.
And don't even think about defending yourself against the criminals. Your expected to just let the scum do as they wish. Just ask Tony Martin about that.