To be fair, pointy knives are unnecessary. At least I haven't found a use for them, though I stab myself with them occasionally when unloading the dishwasher.
Some people will tell you that they need a pointy knife for cutting tomatoes but they should try using a serrated knife instead: it's much better.
Getting the eyes out of potatoes, working with tough meat like beef or goat, ... knives are the most popular weapon, but that just because we're not allowed guns. If you take the point from knives then we can attack with the sharp side to the throat fairly effectively. Mandate blunt knives and we'll have to beat people around the head with bricks. Ban bricks and we'll ... and so on.
Some people will tell you that they need a pointy knife for cutting tomatoes but they should try using a serrated knife instead: it's much better.