Well your premise is that Tesla has all these factories and production lines setup and fully staffed for CT and Semi production but the workers are just standing there staring at idle lines because the darn 4680's haven't arrived yet.
The reality is that Tesla has several new products in the pipeline (e.g. CT with 4680) and they (again) overpromised the timelines for every one of them. Is the schedule discrepancy due to issues with the CT design? Or 4680 issues? Or factory issues? Or finance issues? Or perhaps everything is going great, but Elon simply created this perception issue by making public announcements that he shouldn't have?
I don't know. Do you? Clearly 4680's are difficult and behind Elon's "schedule", but I don't see any indication that any products are being delayed as a result. Again, tell me where that CT I'd supposedly be driving by now would be built? Austin? They can barely churn out a few Model Y's. They just opened a few weeks ago and you're expecting that "if only they had more 4680's" they'd already be cranking out CT's, Semis, Roadsters, Model 2's, and 4680-based S3XY's at the full rate of 500K/year (or roughly 200 vehicles per minute).