That’s assuming they are going to plateau at 6k/week, which is certainly not their plan.
Only if you (strangely) assume they won't keep ramping up.
Are they planning on opening other assembly plants? Their facility is going to hit a hard limit at some point, even if they do get their act together.
Yes, they are.
Back-of-napkin math suggests that it'd take about 2-3mo, assuming that they'll need to triple capacity to make their target and that they can triple capacity twice again before exponential growth must slow to logistic growth.