Yes, you have seen a video and you have seen them all. It can be resumed to "will it run minecrafts (or one of its clones)".
I guess he figured out the short 10-15min format is better for engagement bevause people brains have been destroyed by tiktok and instagram reels and barely anyone can concentrate for 30min on a subject but really it makes for very uninformative vids.
Sometimes there's just not more than 10-15min of content that even a (significant) niche audience would find interesting. There's also only so much time in a day / week to produce. The machine demands novelty.