Alexander Mattick expects higher-information features to appear first in diffusion models because they are easier gains, but he does not consider this necessary.

“So you would expect also that the higher information things to appear first, because have they they are the free wins. I don't think it has to be like that, but it sh but I would expect it to be like that. The same thing like a rectified flow. In a rectified flow I don't think it should be that surprising that if you basically do a linear interpolation of big things appear first.”