Stainless or Blued finish handguns? Which ones are better?

This video compares some Blue finish handguns to their exact counterparts in Stainless finish. I tey to tell some advantages and disadvantages of each.  the firearms used in this video as examples are as follows

Smith and Wesson 686 no dash
Smith and Wesson 586-4
Caspian 1911 in stainless
Colt Series 70 Gold Cup 1911
Sig Sauer P220 Elite Carry Stainless
Sig Sauer P220 in Black/Nickel
Colt Python 1984 in Bright Stainless
Colt Python 1970 in Royal Blue

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