High School Why are Boltzmann Brains considered a problem for physics?

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Boltzmann brains are viewed as a significant issue in physics, often considered an undesirable concept. Physicists such as Sean Carroll and Leonard Susskind have sought to develop theories that circumvent the implications of Boltzmann brains. The core concern revolves around the philosophical implications of the idea that we might be Boltzmann brains ourselves. However, some argue that the real problem lies in philosophy rather than in the realm of physics. Ultimately, Boltzmann brains challenge our understanding of consciousness and reality, but they do not pose a scientific problem.
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When Boltzmann brains are mentioned in physics, they're often seen as a problem. An idea that is forbidden. Physicists like Sean Carroll actively tried to come up with new theories that avoid Boltzmann brains. Others like Leonard Susskind have also labled them as problems. Why is this, what's so wrong with them? Are physicists worried about the idea that we ourselves are Boltzmann brains?
 
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They are not a problem in physics. If they are a problem it is a problem for philosophy not science.

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