USB Installer.
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Agree, but on any APFS scheme/container is mandatory to have the APFS Recovery, it's just a plus emergency partition (CMD+R) where you can use always useful standard Utilities (DiskUtility, TimeMachine, Terminal and few other) saving a bit of USB power.
That said your USB Mojave Installer is also an ultra-improved Recovery.
You included too the "Recovery HD HFS patch".
I suspect part of dosdude1's ambivalence about the Recovery Volume is that patching it for unsupported machines will break the ability to cleanly apply Software Updates (when they occur without associated firmware patches).