Looks like I had the same train of thought as you. My thinking was that it's pretty random to include Matt in the promo for tonight's episode featuring alongside Harry vs Janine and David vs Shaun. My thoughts are that Janine will try to get Harry out, he will play his idol and Matt will go...
Survivor is indeed doing very well when it comes to online viewing. This is from the Media Spy forum:
Australian Survivor last week achieved the series biggest ever 7 day BVOD audience – the third time this season the record has been broken.
2019 Australian Survivor season: 7 day...
Still Kate did much better than Jess last year who was also in a weaker semi. And we got back in the top 10 again, so I am happy. 4 out of 5 years in the top 10 is great. Kate was also the highest ranked qualifier from the first semi.
They were the two best dancers right from the very start so I didn't have a problem with that. Also our version is based on the original UK version 'Strictly Come Dancing' not Dancing With The Stars US.