Stranger is on Matts watchlist as being in the mahogany complex, but as we haven’t seen a Super-Stranger yet (that I know of or can find) it is going to be hard to make a judgement.
I’m not questioning @mikewilbanks at all, who am I too do that, but until I see a Suma produced from a Stranger × Stranger/Mahogany pairing I will be sceptical… Again my scepticism isn’t worth much.
I’m off to watch the video and see what his thoughts are.