It makes not a fucking jot if we believe them or not.
It matters a lot to the captain of any vessel looking to use the straits.
Besides, I thought you were busy researching how North Vietnam won a war after being bombed back to the stone age. If your library pass doesn't got back that far, look how the Taliban defeated the US and it's allies.
I could also throw North Korea in as well. But that's just being goady