They did. They petitioned, used their own money, tried to convince Pai that his changes were bad. They did their part and Pai ignored them - flat out ignores them as if they don't matter. So... what about your argument works?
Pai was "hired" to screw the Internet and help the big ISPs make more cash. Trump is only there to overturn everything Obama did, nothing more. So Pai is just there to overturn NN, nothing more.