Hi
@CaseySJ, my Hackintosh was made in 2020 with this build before with Clover and then moved to OpenCore.
I am still on Catalina and will "migrate: to a 2019 Macbook Pro (Catalina) with similar characteristics to my actual build, only as a clone computer.
For this reason, I can't de-license everything on the old system and reinstall the apps from scratch on the new system.
I need to have the same stuff on both computers because I make music, and the laptop would be only used when I travel or go to others' studios.
You said, "it may be better not to migrate."
1. So, I wonder what the risk is.
Instead, If I understand correctly, your first sentence said, "Migration Assistant during the macOS setup wizard (the welcome screen wizard) to transfer applications and data. Migration Assistant will not transfer /System/Library/Extensions but will transfer /Library/Extensions. These can be removed later."
2. So, which of those extensions should I remove?
3. Should I avoid those /Library/Extensions during the TIMEMACHINE?
I hope this can help you understand the situation better
Cheers