I think in this case the use of 'de-orbit' only means removing it from its in-service geosynchronous orbit, to the graveyard orbit. De-orbit down around usual

I think in this case the use of 'de-orbit' only means removing it from its in-service geosynchronous orbit, to the graveyard orbit. De-orbit down around usual LEO altitudes is more drag-effect, you will return to Earth soon enough anyway.