After reversing for hours, I found out that pretty much the only way to disable "Required" telemetry on Linux is the (ofc undocumented) "--enable-features=msDiagnosticDataForceOff" as the "DiagnosticData" policy is removed (can't find where in code or why though)
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How can you tell that the flag is working? When I use it I don't see required diagnostic data disabled in settings like I normally do on windows with the GPO applied. <3


