[CyberDildonics]

The whole “mesh is the be all and end all of 3D modelling”

No one said this, it seems like you are making up fake questions and not dealing with the actual questions that the person you replied to asked.

You can view point clouds and you can warp them around, but working with them and tracing rays becomes a different story.

Once you need something as a jumping off point to start working with, point clouds are not going to work out anymore. People use polygons for a reason. They have flexible UVs, they can be traced easily, they can be worked with easily, their data is direct, standard and minimal.