You may say, “Oh yes it does. If I smack my toe against a rock, it hurts and no one can argue with me about it.”
But what happens to that pain when you are asleep? It goes away until you wake up again. This means that it is subjective and is not permanent. Furthermore, you cannot put your finger on the pain. You can only feel it and rate it according to your own scale of pain.
If you are a masochist, you will think the pain is fulfilling. If you are prone to anxiety, the pain may be intensified by fear. So even the pain that we think is real and objective is subjective and depends on the individual.
Even the rock we stub our toe against looks different to different species or is invisible to a blind person. If we examine the rock on a sub-microscopic level, we will see patterns of empty space, particles and waves that bear no resemblance to a solid rock. Therefore, there is no objective reality.