I have a little heuristic I use for pretty much every particle/quantum physics phenomena I come across, I assume “theoretical” until such time I’m presented wit

I have a little heuristic I use for pretty much every particle/quantum physics phenomena I come across, I assume “theoretical” until such time I’m presented with evidence. These fields are so dominated by theoreticians that experiments are considered by some in the field to be a “different discipline” and something they need not worry about.