Ooooh, it bothers me, so, so, so much. Too perky. Weirdly casual. Also, it's based on the old 4o code - sycophancy and higher hallucinations - watch out. That said, I too love the omni models, especially when they're not nerfed. (Try asking for a Boston, New York, Parisian, Haitian, Indian and Japanese accent from 4o to explore one of the many nerfs they've done since launch)
I think the commenter you're replying to was talking about dictating to ChatGPT, which I also find extremely useful.