Maybe you and your mother care about your opinion, but I care more about the opinions of the regulatory authorities in the US, UK, Canada, Germany and the EU.
The debate tactic is called appealing to a higher authority.
While never a debater, I understand its use when ones own arguments fail to prove a point on their own. I believe the experts in the field of modern GBM and statistical management will have their ability to debate this at ASCO. Something tells me that you will not as you are likely not a member of the prestigious congress.
Two regulators have spoken. When the peers have an opportunity to speak, get back to me about evidence.