The only model in the link with a price attached is the bolt.  That price is nearly double the cost of what you would pay for a similar conventional car.  If this gap cannot be closed then the niche status will remain.  There are several other factors which will hold these models in the niche status.  You are familiar with them based on our previous conversations here.  Range and a lack of rapid recharge.  Plus the debugging period with the tech has not even begun.