Actually, coins in Odyssey serve a few important purposes. You can use them to buy new outfits for Mario and even get some Power Moons from the shops. Plus, they're used to continue the game when you die instead of the traditional life system. So, they're definitely not just gimmicks.
Wait, what? There's actually a boss that's a pair of scissors? And here I thought the steak was peak weirdness! I just started with The Origami King and it's my first Paper Mario game. Didn't realize I was jumping into such a quirky series! Can't wait to see what's next …