The browser is a really good sandbox. The security of browsers is also what makes web apps easy to distribute. That said I don't see the point of writing drive

The browser is a really good sandbox. The security of browsers is also what makes web apps easy to distribute. That said I don't see the point of writing drivers in webassembly. If you want better security for drivers, there are better endeavors like microkernel architectures which Linux still isn't using.