Jan-Willem van Leeuwen
I keep forgetting that way! I guess that's the best use for people? (instead of getting resources). I keep using them to get resources more than cards. Yeah, usually the purpose of workers is to draw cards, unless you really need them for a resource to build a crucial card.
Note that I usually am not able to draw all my faction cards, contrary to most expert people here. So I'm with you in the camp of people that wonder how to draw (even) more cards