I don't think this is a very interesting article. We already know AI suggests nonsense a lot of the time. That in no way demonstrates that it is net-negative. In my experience it's a net positive even accounting for the times it gets things wrong.
Yes you do have to review its code closely. News at 10.
It is kind of funny that they picked an example where it made an obvious mistake for their hero image though.
Not in my experience. It's very easy to design systems that break IDE support. People love adding all sorts of ad hoc build scripts that mean you can't just press F5 or whatever. It takes discipline and caring about IDEs to not do that.
And while people might love tweaking Emacs and Vim, it isn't required.