Is their any need of continuing the generation on this earth

let's first define in what terms i'm using the word existence so whoever in the world we can see are in existence for this debate . So let's imagine a thing which isn't in the existence who don't know about the luxury of the cars, bikes who don't the taste of pizza who don't know the sorrowness of the mother who lost his child last night who don't know the flood took to many lifes . So how could you imagine as they don't exist . Likewise if someone is not in the world and the humans are forcefully bringing them in the existence so to make him/her happy sad angry etc what's the need like why the humans are generating the new one's like every mortal have to die so their is no reason to keep up with this world so why thier is the willingness of living at the end nothing is going to give pleasure and not even the new generation is going to get something . Like there is no reason to live on this earth and to bring new genration on this earth .