Has anyone else had experience with websites that contain grammar flags or online grammar checking software? I've been noticing on one site I frequent, they have a proof read button and it always seems to flag seemingly correct grammar. For example ANY usage of past tense ("John went to the store on Thursday") it will flag as passive voice. Also any word beyond a basic term is flagged as a complex expression I/E it will suggest changing the word establish to set-up. And I won't even get started on the "PC filter", as I like to call it, that flags words such as "tribal" under "racial bias". It seems to me these types of software could serve to really hurt people's writing ability if they take them at complete face value. Thoughts?