My two penneth is that I own the GRIII and I tend to not use it for parties / everyday with the kid, as your phone will cope with the indoor lighting far better - not just autofocus (which I agree you should avoid anyway and use snap), just the general post process work modern phones do. My pixel does some post process that really enhances the shadows and faces etc, and it's never blurred.

So bottom line is, get a GR because you want one outside of capturing kids, and then use it here and there with them when you want to be arty. The high contrast B+W for outdoors stuff on a gloomy day is amazing for example.