There is mention of desktop applications in their getting-started docs; it seems well within the intention of the maintainers to me.

https://eliemichel.github.io/LearnWebGPU/introduction.html

> Yeah, why in the world would I use a web API to develop a desktop application?

> Glad you asked, the short answer is:

    Reasonable level of abstraction

    Good performance

    Cross-platform

    Standard enough

    Future-proof