You obviously know more than the test riders.
Well excuuuuusse me Sir 🙄 .
If the 29er test DH bikes were a few years old, then I’m sure newer more refined models (if they were to make another one) would feel a lot better.
Not saying I think DH bikes should be 29er, just curious to see what others think. They might have advantages on high speed courses, maybe not so much lower speed tech courses. But most riders are going at a high speed regardless of the track these days.