IMO the word "need" has no place in this thread, in any context. This isn't an engineering solution to any question that has any relevance to the real world. Whatever is considered the coolest and most cutting edge at the moment will be in cars like this, because that's why they exist.
Besides, I would be highly suspicious of any and all numbers coming out of Ferrari marketing anyway. Really, who's going to objectively put one of these cars on the scale, dyno it, and lap it without strict supervision from Ferrari? It's all irrelevant. If it looks and sounds cool on the internet, then enough billionaires will buy them and the pictures will go on the walls of teenage boys who will grow up to buy overpriced t-shirts at the local Ferrari store. Mission accomplished.