Originally Posted by
Ivor the Engineer
I really don't care if photons "exist" or not. All that matters is that I can use a model of reality which postulates the existence of photons to make useful predictions which can be tested. Even better is that I can use this model to make something useful, such as fiber-optic communication networks to allow people across the world to debate if the science used to create them is "real".
However if that model inhibits future progress then it would be cause for concern yes?