You'll find out tomorrow. That was her whole motive.☺
Personally, I don't care one bit if her motives are purely self-serving. I just love that she just sucked all the oxygen out of the room, and rather than the hateful anti-Trump grandstanding being in the spotlight (ala Meryl Streep), this girl is THE news. Trump fan or not, it took serious guts to wear a MAGA dress with a choo-choo Trump train!
The same people who wax poetic over GaGa in a meat dress (or any of the other innumerable crazy fashion statements we've seen over years) will sharpen the long knives for Joy. And I'm sure she know it, so good on her. Maybe we'll all be inspired to come out of our conservative closets!