Thats one way of seeing it. But the people who are speculating the arrival of the electric car are not basing it on the small subset of numbers you quoted. The Tesla numbers you quoted are the Luxury Cars they have been producing so far. Those  sales higher then Benz Sales in that category in the US . But Tesla has 400,000 plus orders to sell the affordable Tesla and the factory to produce 500,000 cars a year is coming on stream in the next few months. Tesla has been losing because they are a growth company and a disruptive one too. They are now not just a car company, they are a Energy Storage, Autonomous, Solar and ZEV company. But enough about Tesla. BMW, Mercedes, Renault, Nissan, Toyota, Hyundai and VW are moving towards producing atleast 25% of their production to ZEV by 2025. Now thats going to be a big shift as the cost of buying a ZEV  is falling and the cost of running a ZEV is negligible as compared to a ICE car.