Earlier quoted context omitted.
It doesn't have to replace all people, just good enough to replace the more common cases.
In practice, places will ignore that it doesn't work for everything, cut off any sort of physical call centers, and then people just end up fed up with their services. I absolutely hate places aggressively adopting chatbots and phone bots.
Hopefully the costumers will rewards companies with better customer service.
A good company will provide a good chat bot that will make it immediately clear when it can help and when it can't, with a clear and simple way to contact a human if needed.