What's up with Munki, Big Sur?

What's up with Munki, Big Sur? | Installing Munki on Big Sur both manually and with command line installpackage injection.

My Gear:
16" MacBook Pro: https://amzn.to/3dd6RjT
Logitech MX KeyBoard: https://amzn.to/36FbTDk
Logitech MX Master 3 Mouse: https://amzn.to/2ZMo14g
Monitor: https://amzn.to/2ZNHP7q
Speakers: https://amzn.to/2Xah37i
Subwoofer: https://amzn.to/36GnTEO
DAC: https://amzn.to/3deSH1P

Main Camera - Canon EOS R: https://amzn.to/3gxlWz4
Aux Camera - Canon SL1: https://amzn.to/2M7EXKn
On-Camera Mic - Rode VideoMic Go: https://amzn.to/36DlkDz
Lapel Mic - Saramonic Blink 500 B1: https://amzn.to/2ZHMdom
Light: https://amzn.to/2XFVtXl
Tripod: https://amzn.to/2Aig4ce

Network Rack
Netgate SG3100: https://amzn.to/2ZOlIh0
Patch Panel: https://amzn.to/2XcWmYE
Unifi Switch 24 POE: https://amzn.to/2M7vpPJ
Unifi Cloud Key Gen 2 Plus: https://amzn.to/2BcX3Zj
Unifi Cloud Key Rack Mount: https://amzn.to/2MlbNaZ
Synology RS819: https://amzn.to/2TMfWbK
Synology RX418: https://amzn.to/2XI3M4O
UPS: https://amzn.to/3ceMbH7
Xen Server: https://amzn.to/3dgdjHc

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