[I Drive Too Fast]

At least I think it was for the first show, but maybe it was for the first tribal council for each tribe.

[cuz_it_aint_their_money]

Correct.
Each tribe got one Individual Immunity Idol which is only good for that tribe's first trip to Tribal Council.
Yau-Man's was only good for that first Tribal Council and if when the FANs go to tribal council tonight then Kathy's will be good only for tonight.
Which is why I didn't pick Kathy to be tonight's boot. :~D