He does, but the title makes it sound like he's criticising when he's just explaining some context.
He says they write their engines to be closely modelled on the specs, and that the web and the web spec is an object-oriented platform.
When asked if he'd use another language for Ladybird he first answers Swift - well actually he first jokes that he'd first design a new language, then says that he looked at Rust and likes a lot of things about it. When asked about why-not-Rust he says he likes OO languages and this project should be in an OO language because so is the spec, and Rust is not OO-friendly, “it's, like, OO-hostile”.