If the BRTFS driver on Windows would implement setting ACLs I think that the Windows Store apps would work fine. The reason the probably fail is because those a

If the BRTFS driver on Windows would implement setting ACLs I think that the Windows Store apps would work fine. The reason the probably fail is because those apps run within a Sandbox with limited permissions and need the right ACLs to run. You could then even hide all Linux directories of you wanted.