The number of insignificant bits in short sections of plain text is too small for me to worry about it in a meaningful way marking most of my writing as goblin tainted. The implementation is also too broad, because it must be. They felt in order to be compliant they must add things as benign as proofreading, therefore I'm perfectly willing to admit that 100% of my long-form writing is AI touched.

FWIW knowing your existing corpus and your attention to detail I can't imagine anyone thinking any word gets into your writing where you do not take personal responsibility for its inclusion, regardless of who or what might have suggested it originally.