Academics with surprising results are rewarded with more fame, prestige, funding opportunities, etc. It's not a big surprise that people naturally cheat, in big or small ways.
The general public often think that academia is merit-based with the smartest being rewarded, but as you know it's a more complicated picture than that. You're not alone in your thinking; I'm pretty sure everyone in academia recognizes the problems. It's just that enough people benefit from the current incentive structures that the occasional scandal isn't enough for academics to reassess the predominant paradigm.
The general public often think that academia is merit-based with the smartest being rewarded, but as you know it's a more complicated picture than that. You're not alone in your thinking; I'm pretty sure everyone in academia recognizes the problems. It's just that enough people benefit from the current incentive structures that the occasional scandal isn't enough for academics to reassess the predominant paradigm.