I'm not buying the reported dimensions of the objects in the Chinese images as gospel, unless someone can explain specifically how they were derived.
I do not see a conflict here - given the height of the satellite, resolution of optics, and angle of incidence, it's simple trigonometry. The satellite operator will know this fairly accurately. I believe the Chinese have calibration ranges in their western deserts for their imaging/spy satellites; if sophisticated satellite operator says this is the computed size, I'm going to give them benefit of the doubt.