Yea, personally I am excited to see what will come out of the Siri developers kit that was announced this week.

I do not understand how/why bots would replace apps. Perhaps I am narrow-minded about this, but personally I prefer to stay in (some) control of my devices and work-flow.

Cloud based bots are a sad situation, where end user is getting further out of control. But it doesn't have to be like this. Check out https://mycroft.ai/