It's fine. You can manually turn things on and off as well as see their status. Most developers haven't built much into it because why would you? Google has built no automations and connections to home are not cross platform. So as an added bonus aggregation, it's fine. It has no business being the primary way you interact with your home automation. Google is way behind Alexa. Nest deciding to transfer to this app as the only means of connecting to it's cameras is INSANE.