You may think that but Alfred Nobel disagreed and it is his prize. If she fits the criteria is another question but it was certainly not intended to just be about real wars and real peace (whatever that is).
den som har verkat mest eller best för folkens förbrödrande och afskaffande
eller minskning af stående arméer samt bildande och spridande af
fredskongresser
shall have done the most or the best work for fraternity between nations,
for the abolition or reduction of standing armies and for the holding and
promotion of peace congresses
English translation is taken from Wikipedia and not totally exact but close enough.