>>>AI will replace humans in performing every cognitive task, unless you believe that there is something about biology that makes it categorically better for certain kinds of computation.

Why will they want to?

Because humans will want them to in order to outcompete the other human who currently has the most powerful AI, unless we show restraint and cooperation the kind of which we’ve never displayed in our existence.

We might end up answering the Fermi paradox within our lifetimes.