Sadly it's real, it happened.

https://web.archive.org/web/20240121141928/https://blog.trezor.io/trezor-security-update-stay-vigilant-against-potential-phishing-attack-bb05015a21f8?gi=918ba0262bfa

At this point it looks like they're doing it on purpose.

It’s only a problem if people send their phrase and I’d be hard pressed to believe that anyone actually would