The way I read it is that their 5-year NET average needs to be at 175 or higher. While the story cites Oregon State as not having a qualifying schedule, it does say that the Ducks did, even with playing the Viks. My take is that the Pac-12 can still schedule the lesser conferences (Big Sky, Mountain West, WAC, etc.) as long as they also play the heavies (Gonzaga, etc.) and the five year average is above 175.
We can help with this by trying to keep our non-conference as high as possible, maybe ignoring the Portland Bibles of the world.