Given how astonishingly robust these first gen products have been over the past nine months, it's hard to imagine anything like that. And such concerns would be

Given how astonishingly robust these first gen products have been over the past nine months, it's hard to imagine anything like that. And such concerns would be limited to parts unique to the desktop CPUs, such as the PCI Express lanes. The rest of the SOC is extremely mature. Remember, the M1 is a derivative of the A14 which, along with its predecessors, has been running a fork of macOS for many years.