I like to think that if someone intends to use such a person's 'work' they'd examine for themselves the evidence and conclusions. The fact that the man faked his evidence was bad, but ultimately should not cause problems since if it reaches the point where someone may examine it for serious reasons it'd fall apart; only ridiculous levels of trust in the idea that he wouldn't fake such paper could cause trouble, but in such a competitive world of science I find this unlikely.