She's decided to champion the one deal that doesn't throw the entire UK into economic disaster.

I reckon that her political double-speak notwithstanding, she thinks satisfying (b) would be bad for your country (as I do) but still wants to tell the brexiteers they're winning; reasoning that if they believed Farage, Johnson and Rees-Mogg, they'll believe anything. She might not be far off if recent polling that the public is behind her is any measure.