Does anyone actually pay attention to that stuff?
Achievements and the like had potential, then Microsoft went and gave them away for literally everything. "Pick up a Nuka Cola - 50 points." Wow man, you must've worked hard to get that one.
Achievements should be bragging rights, otherwise they're pointless.
You understand that Microsoft doesn't choose what the achievements are in each game, right? The developers do that. And yeah, sometimes they give away points because they are required to have 1000 points in a full title, and 200 for an Arcade title (and 140ish for DLC, it would seem) and the developers just really don't care about them, so they give out 100 points for turning on the game. That's why every GS hound has Avatar:TLA in their game library.