They've achieved a 0.5% increase in production volume in Q2, compared to Q4 2018, to 87,084 vehicles. I'd hardly call that "rapid progress". For comparison, Toyota make around 2.2 million vehicles per quarter. A more reasonable brand comparison might be Mercedes-Benz Cars, which made 575,639 vehicles in Q2. It's quite impressive that Tesla have got to about 15% the volume that Merc do, but they're hardly going to tak…
Mission statement: Tesla's mission is to accelerate the world's transition to sustainable energy. [1]
Strategy (paraphrasing): Start with low-volume, high margins. Over time introduce high-volume, low-margin. [2]
[1] https://www.tesla.com/about [2] https://www.tesla.com/blog/master-plan-part-deux