Extrapolating current adoption rates, the US reaches 50% EVs in 12 years and 70% EVs in 15 years. This is standard "diffusion of innovations" from the economics literature. Mandates and fuel prices aren't that relevant; any more than they were for washing machines or TVs or PCs. Better...
I took delivery on Thursday. It's in service now to investigate a rear steering alert, but my first drives were great and I look forward to putting the truck to work on construction projects soon.