Yeah sadly the cgi does look bad. Remember Doomsday? Horrible looking. Who does the CGI? Is it ILM?
For BVS, it was quite a few apparently.
Moving Picture Company (MPC) (visual effects and pre-visualization)
ScanlineVFX (visual effects)
Weta Digital (visual effects)
Double Negative (visual effects)
Method Studios (visual effects)
Shade VFX (visual effects)
Perception (visual effects and screen graphics)
Teamworks Digital (additional visual effects)
Resistance, The (additional visual effects)
PANIC (pre-visualization)
Mova (motion capture)
Mocap Design (motion capture)
Gentle Giant Studios (3D scanning)
Gardiner Consulting (lidar scanning)
4DMax (additional lidar scanning)
Pictorvision (additional lidar scanning)
Gener8 3D (3D conversion)
www.imdb.com/title/tt2975590/companycredits