I think that what the other guy was arguing against was your buddy saying "Oh, I'm sure it's just a sinus infection" when you actually have a brain tumor. Peopl

I think that what the other guy was arguing against was your buddy saying "Oh, I'm sure it's just a sinus infection" when you actually have a brain tumor. People tend to be optimistic when it's not their asses on the line. While I wouldn't say advice from others is worthless, it can do more harm than good in specific scenarios.