Exactly. It's going to be much more productive for someone totally new to 3D graphics to play with three.js and learn all about models, meshes, textures, shade

Exactly. It's going to be much more productive for someone totally new to 3D graphics to play with three.js and learn all about models, meshes, textures, shaders, coordinate spaces, cameras, etc. If you're starting with webgpu or even webgl you're going to get mired in eccentricities of buffer management, byte formats, etc. which are important plumbing but just that--plumbing.