[dchuk]

Per your logic, we should abandon heart transplant surgeries as soon as one doesn't go as planned.

Anecdotal evidence against the efficacy of any medical treatment is not reason enough to abandon it.

[JustinCEO]

Quite a lot of attempts at suicide prevention efforts don't go as planned. Do you disagree?

[ceejayoz]

Pancreatic cancer kills about 75% of patients within a year and 95% within five. From this, we take away "let's improve treatment methods", not "oncology is a scam that the free market should eradicate".