Chex mix is also a super PITA since you need to restart 100 times to get the perfect RNG to do 3-4%. It's also a team that includes toons no one really wants to build (Pao?!) BH, on the other hand, are hot in a variety of game phases so the investment isn't wasted. Yeah, you're not going to see McDonalds numbers without god mods and gear - but that's true of every team. I'm still more excited for my BH team than my Chex team.
Plus, Revan isn't exactly an readily available toon, nor is a Revan Jedi team a low-cost investment. And NS are still (apparently, I don't run them) very RNG dependent for good numbers as well.