Musk probably knows a thing or two about technical limits since that, although people say that SpaceX needs are more high grade craft than large scale throughput but he might believe that this is peanuts.

I wonder how many lines run in parallel. thousands of cars per week is a few minute per car. That's not much :)

Someone please slip a drone inside.

Have you ever looked at production line videos from Mercedes Benz on youtube? You'll see that what Tesla wants to do is actually already being done, only with dead-tree engines instead.