If consciousness doesn't exist, who is it that can disprove it, and why should anyone listen? It's a bit like proving the universe is a simulation or not. These

If consciousness doesn't exist, who is it that can disprove it, and why should anyone listen? It's a bit like proving the universe is a simulation or not. These can never be proved or disproved. It's quite silly to deny consciousness though! It's similar to deny one's existence. So philosophy and psychology shines some light on these questions.