Yeah, this whole article is a !SPOILER ALERT! for 'The Biggest Loser' (Tue., 8PM on NBC) so you might as well move on now if you haven't seen it.
Are we good? Okay, then.
After losing the Challenge to the Read Team, the Black Team took a fatalistic approach to the weigh-in. As such, the sacrifices of the parents among them seems noble on the surface, but it's also a statement that they didn't have faith in themselves or their team. So they completely sabotaged their own weigh-in.