You only notice the bad CGI - most TV shows, even a normal sitcom, have a ton of CG that you would never realize unless you saw the raw shots. It's what the audience expects and demands today. Things are getting more efficient but quality level has risen even faster.

Here's a good video, from 2009: https://www.youtube.com/watch?v=clnozSXyF4k

And 2012: https://www.youtube.com/watch?v=WhN1STep_zk