Love the guy or hate him empathy is something which we can all have. Your a very lucky person if cancer hasnt affected your life or that of your friends, really hope hes one of the people who manages to fight it for as long as possible.
Love the content which he produces and have followed him for a long time, gutted would be an understatement. F cancer and best wished to him and his family, stay strong fella
From the sound of that quote, we're talking about bowel cancer as the primary.
It is a form I think that can hit the very young. It is also very aggressive, and doesn't tend to be caught until it has already metastasised - at which point, as he's said, there are very limited options for treatment beyond bombarding the area with toxins.
His attitude is exactly right though, and you never know what's around the corner. He should be keeping an eye out on patient forums, and badgering his medical team, to make sure that he's aware of clinical trials he might be able to get a place on.
Good luck to him.
a lot of people, especially on Reddit are calling 'karma' from his comments to another person a while back, telling them to 'get cancer and die' or something, but c'mon, nobody deserves this.