Colt can make a revolver finished to a much higher degree in the US so its not impossible that Chiappa could finish the Rhino to better standards especially when you consider how cheaper Italian labor is. It's pure laziness and it shows in all Chiappa products.
As for design, its just a continuation of Mataeba revolvers like the 2006M but not as cool. I think the fact they tried to shoehorn it into tactical and hunting roles instead of just CCW with the snub nose variant and target shooting with the long barrel variants.
you'd have ended up with a streamlined 2006M. no lightening cuts because weight is better for competition. no pic rail (maybe pre-drilled for a RDS under the rear sight).
you can see that the 2006M has the seam too but it is blended in much more betterer:
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I really wish Spuhr or Korth or Janz would pick up the mateaba. They'd do it justice. charge 4 or 5k for it.