Of course, Tom’s subjective view of how much he likes varying difficulties and achievements associated with them is entirely his own opinion, and none of us have to share it. But I will join the chorus of people who are nonplussed by this dichotomy:
In a game that Tom otherwise would give five stars (a 100%, or an A+ if the game were in school and he were the teacher):
varying difficulties with no cheevos for playing on Hard:
varying difficulties with cheevo for playing on Hard: