To me, a fetch quest is more a game mechanic than a part of the story. Something like a quest giver buying pelts and sending you out to kill wolves for their pelts. Hand over the pelts, earn money, done. No story behind it. It doesn't breathe life into the world, it doesn't contribute to story or character development, it's all about the reward. Some exp, some money, maybe some gear.
Feros had a few side missions (clear out Geth, turn on water valves, kill alpha varren, find a power cell) but I wouldn't really see them as fetch quests. They tie directly into the main mission and the story, they aren't about random items you don't actually fetch anything in 75% of the cases.
Oh okay, later on you actually fetch Gavin's data for him... which helps you in ME3. 
DA:I had an annoying fetch quest in the Dalish camp: Deliver herbs, pelts and other resources. They don't care where or how you got them, they just want them and in exchange you get some minor rewards. It helps you to win their trust but... I don't know. That's basically faction grinding on top of a fetch quest. -.-
ME1 wasn't all that bad. Except for the tedious collections all missions had a backstory, cutscenes, dialogue of some kind... that's a bit more than I'd expect from a fetch quest. Sure, they weren't epic adventures... but I don't think they were all that bad.