they are aware that they will probably die. It’s not stupidity, it’s bravery.
if you expect to die and still go through with your plan, that it is the definition of stupidity. if you think you are so important that your death will move millions and finally change things, that is the main character syndrome that is being discussed.
in reality, she will get two news cycles and that will be it. nothing will be changed and she will be dead. if she really wants to do something, it is much smarter to do anything where she does not die in the process.