It isn't disrespecting cancer patients and is in no way is intended to either. The World's full of things to get rightly aggrieved about.
Comparing Alli's diving to cancer?
I have never had cancer but members of my family have and the pain that disease causes is awful. And I am offended by talksport's editorial decision to go with the cancer analogy which seems to belittle that vicious and cruel disease.
Or maybe, as you suggest, i am getting het up over nothing.