LMAO! To think you actually ask this question is the most offending thing I've read all week. You're comparing a studio that only made Metroid Prime and Donkey Kong, to a studio that that made tens of different types of games.
What did Retro do since Metroid Prime? Only Donkey Kong, and helped a Japanese Nintendo team making assets for some courses in Mario Kart 7. Yeah this "sound oddly similar" to Rare in the 90s:

30 games alone in the Rare Replay bundle










