Immediately after WebUSB shipped in Chrome: "security researchers Markus Vervier and Michele Orrù detailed a method that exploits a new and obscure feature of Google's Chrome browser to potentially bypass the account protections of any victim using the Yubikey Neo".
The fact that fishing (and fingerprinting etc.) isn't reported widely doesn't mean it doesn't happen. After all you trust Chrome to properly implement everything and take care of things. And yet here's an example of a different hardware standard, WebMIDI: https://twitter.com/denschub/status/1582730985778556931 (note the comment: "Chrome still allows web developers to enumerate attached MIDI devices without user consent or even a notification")