[EvilTerran]

It's hardly "trumping SpaceX and Cameron", that's pure linkbaiting.

What's notable about SpaceX and Cameron's sub is that they're both wholly privately funded -- that's a novel, and significant, development. That a world-power government can do these things is hardly news, and in no way overshadows the significance of SpaceX & Cameron's projects -- being important milestones towards commercial exploitation of the solar system & deep ocean.

Compare China's current position to the traditionally dominant players -- i.e. other world-power governments -- if you want the comparison to be even remotely meaningful.