I don't understand. A few weeks ago Facebook forced us into Facebook Messanger and they payed a lot of money + stocks to acquire WhatsApp. And now, instead of

I don't understand. A few weeks ago Facebook forced us into Facebook Messanger and they payed a lot of money + stocks to acquire WhatsApp. And now, instead of demarketing WhatsApp to erase it out of the map and have the Facebook brand dominate a broader domain of internet products, they make WhatsApp better. What is Facebook aiming for with this acquisition?