They showed us Horace like a DHARMA "bad-ass", saving newborn Ben and offering his father a job.
They showed us Horace like a mathematician, working at\in\for The Arrow.
They showed us Horace like he was strictly connected to Jacob's Cabin,
They showed us Horace like the DHARMA untamed leader.
Then, we found out he's a pussy whose only occupation is teeth-chattering fearing for an Others attack, organizing democratic meetings to vote over decisions he didn't manage to take himself, undergoing Amy and Radzinsky all the time.
Didn't Darlton said that Horace and Olivia (his sister?) would be a central part of the Lost-plot resolution in this 5th season? I just had missed some pieces...