>Look at it done correctly: tomc1985 objects that "[he is] one of these people, and [he] most definitely exists!"

You also need brackets around "exists" since the original quote had "exist". I think you're proving the point. I completely agree with the author that sentences like this are absolutely miserable to read. You can quote him as saying "I am one of these people, and I most definitely exist!" and, because we all have basic reading skills, we all understand that the "I" refers to the person speaking. Mangling quotes with unnecessary brackets is bad writing.