There's no doubt that the entire world has been impacted by supply chain issues. Some are doing better than others at managing it.Welcome to post-COVID supply chain management in 2021...
Chevy: GM Cancels Remaining 2021 Corvette Orders for June Allocation
Toyota: Adjustments to Domestic Production in June 2021 due to Parts Shortage (as of May 18)
GM: GM build-shy strategy has tens of thousands of vehicles parked awaiting chip parts
Tesla: The start date for Tesla’s Berlin plant has been delayed—again [until early 2022]
It's hard to say if the MIC roof issues are covid related or the root cause is something else. It could be covid related, but it could also be a variety of other issues with supplier management.