I think these complaints are just outdated - it has improved rapidly over the last two years. If you never use it why would you think you have an accurate model for how good it is in different environments?
SF is also hardly a simple environment to drive in, it’s more complicated than most east coast driving.
Valve is spending a lot of resources and AFAIK so are all the AI companies in the asian market.
There are plenty of people who wants an open-source alternative that breaks the monopoly that Nvidia has over CUDA.