DPReview could do more, I think.
Created from the colorchecker chart and processed through the Adobe DNG editor are almost indistinguishable from the supplied ACR 4.x profiles.
Spending time to create them is therefore quite pointless whilst the X-Rite software created ones are a bit more punchy but lacking in other ways.
Adobe create their profiles from the much larger colour targets for the best accuracy, but for my cameras, the ACR profile always gives a strange cast to the images is nowhere near as pleasing as the V4 camera specific ones.
I can't comment on the Lens profiles, as I never see the need to use them.
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