How can Flo and Zach win?! How?

Because Zach is GOOD. He's resourceful, patient, clever, fit, practical and determined.
Rating: 140/100 [just too good]
Allowing him to counter Flo who is BAD. She's whiny, weak, pampered, and basically a burden.
Rating: 20/100
Combined rating of Flo and Zach: 160/100

Ken and Gerard are funny, but not as good. I give them identical ratings (for convenience sake)
Rating:75/100

Teri and Ian combined rating
Rating:155/100

Good theory yes?