I disagree. If she misses it she almost guarantees she won’t get 4th or 5th which will likely be what she needs to get the US three spots. She doesn’t need it to beat Liza or Kaori (though a clean Liza will be unbeatable for Bradie even if she added a triple axel) and it wouldn’t make enough of a difference to get her on the podium if the top three are even moderately clean. It’s an unnecessary risk, especially when the goal here is to get three spots for Beijing.
How clean does Tuktamysheva need to be in your opinion to be 'unbeatable' for Bradie, last year at Skate America Tuktamysheva had a messy landing on her combo and an under-rotation on her solo 3Lz in the SP, in the FS she was clean with the exception of an under-rotation on her solo 3Loop so Tuktamysheva had no falls and 3 cleanly called triple axels - I know when this event happened there was a general consensus that Bradie was not called on a couple under-rotations however she still beat Tuktamysheva by more than 10 points. Even if we look at Bradie's Skate Canada score where she got called on her under-rotations against Tuktamysheva's Skate America (which was her best performance out of the GPs) she still beat Tuktamysheva by more than 5 points. From the looks of last year's scoring, if both have a similar layout to last year - a clean Bradie can score and beat Tuktamysheva - being #1 in your country pays off.