The nature of dark matter is still a subject of active scientific investigation, and there is much we don't yet understand about it. While it is true that dark matter does not interact with light or other electromagnetic radiation, its behavior is thought to be governed by the laws of physics as we know them.
Dark matter is called "dark" because it does not emit, absorb, or reflect electromagnetic radiation, making it invisible to our current observational methods. However, its presence can be inferred through its gravitational effects on visible matter and the large-scale structure of the universe.
The prevailing hypothesis is that dark matter consists of new, yet undiscovered particles that interact primarily through gravity and weak nuclear forces. These particles are expected to behave according to the laws of physics, just like the known particles of the Standard Model.
Scientists have proposed various theoretical models to explain the properties and behavior of dark matter particles, such as supersymmetric particles or weakly interacting massive particles (WIMPs). These models are constructed to be consistent with the existing laws of physics.
That being said, the possibility of dark matter challenging our current understanding of physics cannot be entirely ruled out. Scientific discoveries often lead to paradigm shifts and revisions of our theories. If experimental evidence were to suggest that dark matter behaves in a way that contradicts our current understanding, it would undoubtedly prompt a reassessment of our physical laws. However, until such evidence arises, the prevailing assumption is that dark matter follows the known laws of physics.