Glasgow kaput?

$ glasgow -vvvv factory --rev C1
E: g.cli: device not found
$ lsusb
2021-01-22 23:31:59.203 system_profiler[96241:14161233] SPUSBDevice: IOServiceGetMatchingService did not return anything for location 0x14121000
2021-01-22 23:31:59.203 system_profiler[96241:14161233] SPUSBDevice: IOServiceGetMatchingService did not return anything for location 0x14120000
2021-01-22 23:31:59.203 system_profiler[96241:14161233] SPUSBDevice: IOServiceGetMatchingService did not return anything for location 0x14100000
2021-01-22 23:31:59.203 system_profiler[96241:14161233] SPUSBDevice: IOServiceGetMatchingService did not return anything for location 0x14100000
Bus 020 Device 000: ID 20b7:9db1 20b7 Glasgow Debug Tool  Serial: C1-20200711T150537Z
Bus 020 Device 000: ID 0451:8142 Texas Instruments Hub  Serial: 570A0081B766
Bus 020 Device 000: ID 2109:2813 VIA Labs, Inc. USB2.0 Hub
Bus 020 Device 000: ID 10c4:ea60 Silicon Laboratories, Inc. CP2102N USB to UART Bridge Controller  Serial: 2a9461b3596fe911ad84907fcd81828a
Bus 000 Device 001: ID 1d6b:PTLP Linux Foundation USB 3.0 Bus