[lightedman]

"This is one unconscious bias from California-based self-driving companies: weather conditions worse than overcast skies exist in other parts of the world."

Mount Baldy (right next to LA) is expected to see 7+ feet of snow over the next few days.

I'm fairly certain they're aware of the particular fact you mention. We do have (had thanks to this drought) multiple ski resorts across the state that do not rely upon artificially-made snow to operate.