>Are we at the point where you have to write in a particularly outrageous style in order to not be accused of using AI?

I don't think we've gotten to the extent that all popular writing styles (eg. hamburger paragraphs) are considered suspect, but the "it's not just X, it's Y" construction[1] attracts particular scrutiny.

[1] https://en.wikipedia.org/wiki/Wikipedia:Signs_of_AI_writing#...