What happens when you change the thumbnail size, does the large thumbnail size emphasize the lack of detail?
I am not aware of any commands in DPP that change the resolution of the thumbnail image.
Rodger
EOS 1DX M3, 1DX M2, 1DX, 5DS R, M6 Mark II, 1D M2, EOS 650 (film), many lenses, XF400 video
