And also cost. Standing out from the pack is always costly, you may not find job right away, you might be outcast .. the more we have safety nets the easier it is to quit bad groups.
It also helps to develop better judgment and awareness so you never get into bed with bad people in the first place. "Lay down with dogs, you'll wake up with fleas" applies to business (even getting a job is "doing business") as much as it does other things.
