The most obvious reason we should not re-master is that the higher-end your system the less is the need for oversampling and upsampling.
Interfering with the original recording is injecting algos and reshaping the original.
It's akin to eating a gourmet dinner with tomato ketchup.
However if that floats your boat, so be it.
Native DSD sounds light, natural, airy and pure. Upsampled DSD doesn't.