AI and the "end of humanity". Explain please?

Well that field is really all about who you know. :smiley:

In this thread So what will our AI civilization of the future look like? @Spice_Weasel mentioned the following related to people’s taste in books and other forms of art:

I’m thinking this is true for most topics. People are terrible at most things, even if they are masters of something. A very few people can be masters of any field.

We already live in a society where access to information gives people a false sense of expertise regarding pretty much everything. So what happens to society when AI can actually do everything for us?