> Applications using wgpu run natively on Vulkan, Metal, DirectX 11/12, and OpenGL ES; and browsers via WebAssembly on WebGPU and WebGL2.
is not an argument against being WebGPU, as GPU drivers don't talk WebGPU directly (for now?), and WebGPU implementations are free to use whatever backend they please, as long as they provide the right API.
However, wgpu is still only based on the WebGPU API, which makes the topic of backends irrelevant anyway~
> wgpu is a safe and portable graphics library for Rust based on the WebGPU API. It is suitable for general purpose graphics and compute on the GPU.
> Applications using wgpu run natively on Vulkan, Metal, DirectX 11/12, and OpenGL ES; and browsers via WebAssembly on WebGPU and WebGL2.