If I like a game enough to complete it once and there are achievements, etc, I missed, I'll likely play it again. While time has generally been an issue, it also comes down to motivation for me. I have an easier time continuing (including restarting) a game than starting a new one, given the investment of time getting into the game (learning the mechanics, getting used to the gameplay, becoming engaged in the story, etc)
Unless I really like a game -- or there's a specific benefit in-game -- I tend to avoid pigeon hunts, though. Infamous 1's and SR4's pigeon hunts both were tied to unlocking/upgrading powers iirc which made them more tolerable.
But yeah, having to look for shit while playing (meaning checking a guide) kills the experience... especially when shit is hard to find. The unlockables in XMO:Wolverine pissed the fuck out of me, especially because they unlocked alt costumes (and specifically comic costumes) which I'd rather use.
I mostly only use guides for items. I also used one for Witcher 3 for the beginning since I started it on death march. I just needed to see what skills I needed for the beginning of it. ---