The ethics of clinical tests is controversial. Paradoxically, instead of moving towards more and more protected conditions, some research still has gray areas because enrolled patients do not always have the same guarantees.
Ethics and science
Usually Massimo Piatelli Palmarini chooses very interesting topics to comment on the "Corriere della Sera" and tells them convincingly. Not this time (see article). Perhaps he was naively taken by too much enthusiasm for a subject that is apparently interesting and (unfortunately) outside his expertise.
When you discover you have cancer, the first and only thought coming to mind is to get rid of it. No one certainly comes out with the rather morbid idea of asking the surgeon for the removed tissue in order to preserve it: throw it away and forget about it. You should instead donate it, because nowadays these samples are precious and coveted.