That's how it is. Bells and whistles will be added as soon as all basic functionality is secure.
Can you test just SAB and report? Is this a real use scenario?
This looks like https://github.com/valinet/ExplorerPatcher/discussions/514
SIB/SAB is totally disabled in Safe Mode by default.
You can enable it via group policy or registry values:
EnableInSafeMode=(DWORD)1 in HKCU\SOFTWARE\StartIsBack or HKLM\SOFTWARE\StartIsBack