Firstly, I don't think this way "easy". It may be easier. Secondly, I don't think that's obviously true. In fact, I doubt it. If you get into millions and millions you've probably already encountered and solved most every scaling problem you will ever have. When you are in the lower numbers there are multiple different levels of scaling, all of which need to be solved.

I don't think the apples to oranges comparison helps make the point anyway. It's just a throw-away. If someone writes "Toyota makes 9MM cars", I discard as "wrong thread". Even if the difficulty curve changes shape against Tesla starting right now, Toyota's production capacity remains pretty irrelevant.