Some sort of argument would go a long way to helping me understand why.
Again, take customer support.
This is an area where 90% of the queries are one of perhaps a dozen questions. If generative AI can answer those with 90% accuracy, and then defer to a human, you've saved 80% of your personnel.
Human customer support representatives have << 100% accuracy, too.
It is impossible to be completely sure of non-trivial events in the future. Your very certainty makes me doubt.