https://retrofighters.com/our-collection/battlergc-next-gen-wireless-gamecube-controller/

https://www.amazon.com/Controller-Switch-Compatible-Nintendo-Rechargeable-Bluetooth/dp/B07MXJ71GJ/ref=sr_1_1_sspa?tag=techboom-us-20&keywords=gamecube%20controller%20for%20switch&qid=1637769740&sr=8-1-spons&psc=1&smid=A3FY0T0ONAXE5G&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFQNFJWMUdEVFM0V1kmZW5jcnlwdGVkSWQ9QTAxMjM4NDEyMVZMSks5NVdRVldYJmVuY3J5cHRlZEFkSWQ9QTA4OTY0NDYxUjlRNlpaWkZQTVBUJndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==&geniuslink=true

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https://www.amazon.com/Nintendo-Switch-Wireless-Battle-Gamecube-Controller/dp/B088973GQN/ref=sr\_1\_3?crid=2R1NLALM2M970&keywords=Nintendo+Switch+Wireless+Battle+Pad+hori&qid=1675476164&sprefix=nintendo+switch+wireless+battle+pad+ho%2Caps%2C175&sr=8-3&ufe=app\_do%3Aamzn1.fos.18630bbb-fcbb-42f8-9767-857e17e03685

Also, the PowerA has a 4.5 on Amazon, so I don't know what you mean. Flaws are found in every controller.

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But the best controller is one you already have, be that Xbox or Playstation. I play GC games with those and don't really have an issue.