Why do you say its "best" usecase is for the server? I'm actually asking, not disputing, but I'm asking because it seems the big selling point of WASM, running

Why do you say its "best" usecase is for the server? I'm actually asking, not disputing, but I'm asking because it seems the big selling point of WASM, running new types of code that you couldn't run before, was never a problem on the server, where you can run whatever you like. So, I'm assuming you have something else in mind, and I'm wondering what it is.