He's saying we're not 100% certain, so let's do nothing.<quoted text>What are you trying to say in your ignorant expression?
One thing is clear though you are very confused about the reality..
It might be different if his doctor told him "You MIGHT have colon cancer." Or if the doctor said "You could have thyroid cancer." He might be able to make a decision then.
I say he might. I don't know.
He wants us to kill our kids and grandkids with CO2 poisoning. He says he cares about HIS kids.
He might. I don't know.