They asked “are we decreasing the slope of this graph” and you replied by pointing to the graph and saying “if you choose a lower value of x, you get a lower value of y”.
But early treatment does lead to better longterm outcomes for a whole bunch of cancers, so I take issue with your facile reply.
A mole removal with local anesthetic by your local dermatologist will almost always lead to better outcomes than two rounds of surgery, chemo, and radiation to treat stage 4 metastatic melanoma.
That’s good news, but that’s not what they asked.