the thing (well, one thing) about moffat is that he keeps creating these mysterious characters who are feisty and special and different and they cross timelines and they live in paradoxes and broken worlds and they are interesting and cool.
but they are not relatable.
whereas rose was us, working customer service with no immediate prospects.
martha was us, going to school and dealing with family crap.
donna was us, nothing special until she went on an adventure and learned how special she’d been all along.
moffat writes the companion he thinks we all want to be. rtd wrote the companion we all could be.