But those examples are extreme on purpose
Yes they were! And you’re right, we need to allow ourselves to be challenged, to consider ideas outside of our comfort zone, but we also need to able to reject ideas that are not being posited in good faith.
This is the joy of debate, to question statements and receive nuanced answers in reply.
Whilst this statement has some merit, its problem is that you’re setting up a precursor to a straw-man argument. This is because who defines “challenging ideas”. This allows anyone to come up with a supposed challenging idea, then call anyone who doesn’t engage in it “an intellectual nepobaby”.
For example, should I engage in the “challenging idea” that the world is run by lizard people?
What about the “challenging idea” that throwing bricks in peoples faces will fix their teeth?
Almost, the two parts that make it problematic to me are: