Beyond that, the new Wells hasn’t established a proper reason for being part of the team yet; he feels superfluous, and that could mean that the show is waiting to reveal what he truly is.
Maybe drinking so much coffee has given him access to the Speed Force.
The Flash won’t win any originality points for making another Harrison Wells the villain of Season 3, but there’s plenty of evidence to support the possibility that this Earth-19 businessman is the big bad of the season.