Info carrying capacity of cables is much higher than air. You can try this at home using two plastic cups and a string between them. Anyways you can whisper into the cup and the other person can hear it using the cup but not through the air. Light suffers similar interference
I'd need to see some evidence to support this claim
I'm not understanding the point if this post. So what there's cables? This proves nothing
Info carrying capacity of cables is much higher than air. You can try this at home using two plastic cups and a string between them. Anyways you can whisper into the cup and the other person can hear it using the cup but not through the air. Light suffers similar interference