If they had something better, don’t you think they’d be putting it out front and center? This is akin to all those conspiracy theorists claiming they have proof to back their claims but they just can’t show it to you right now but it’s definitely coming at some indeterminate time in the future.
They make it so painful though to obviously twist people’s arms into installing their data harvesting apps. Facebook on mobile is so stripped down and actually freezes half the times you try to use it.