If a cloned installation is fully functional despite lacking "System Integrity Protection", the risk in running it may be almost negligible, because while it will remain vulnerable to existing exploits, there aren't likely to be many new ones targeting the very likely very small number of users who'll be running thusly.
I wonder how much of a mitigating factor
As an added benefit, it will speed up your boot process, since it'll recreate certain caches that non-special-Apple-programs can no longer update.
will be? (Edit: It seems like there ought to be a built-in utility to do that.)
Food for thought for developers: "
You can run our app if you're willing to run without 'System Integrity Protection.'""
