Not every one of those families would find the same set of features helpful, so you have to make calls about what's worth developing and what isn't. Making those calls is very difficult because it's tricky to gather data about what will be used and appreciated.
Well, it's a good thing we've settled on... genmoji. Yeah.
> it's tricky to gather data about what will be used and appreciated
I'm not sure it's so tricky for Apple, and for sure not for Google.
And whatever they are doing is clearly working well. /s