Whether or not people have done worse thibgs than duck does not matter in the slightest. 
Whether or not Key has striiped Duck of powers however many times does not matter. 

Duck continously does unrealistic and over the limit actions and creations. This is a fact and can not be argued. 

Key have striiped Duck of powers several times but immediately regrants powers and/or actions under 24 hours later. This a fact and can not be argued. 

While Key has great ideas, the dup isn't worth Roleplaying along side. 

Side note; it's hilarious to come back and see the responses you all give