Ok, lets say the actual number of hospital volunteering was zero. Same deal applies, the vibe I'm getting from OPs story is it's volunteering and other undocumented and difficult to officially disprove years after the fact type of ECs. They don't seem to be doing any of the actual high risk things I described.
Again lying is bad, and integrity should be worth more than "I'm scared I'll get caught". If that's the only reason some of the other people aren't doing it, they're worse than OP's friend imo, immoral and cowards.
Maybe he will stumble over his words or misspeak at the interview, and its a high possibility it happens at some of the schools at least, but let's not let moral righteousness blind us from reality. If he gets past the interview and matriculates, 99.9% chance he is free of the consequences of his EC fabrications.
Bad people and bad actions are bad. I don't mean to disagree with anyone on this point, but at the same time, there is some really wishful thinking being done by suggesting said bad guys are always caught/punished.