Rondo is such a downgrade over the backcourt we have right now that what he does to set up the offense isnt worth losing the defensive intensity over.
This is absolutely, 100%, untrue. The defense was not worse with a backcourt of Rondo and Bradley than it has been with a backcourt of Bradley and Lee. The defense has been very, very good with both those backcourt combinations. According to the numbers at Basketball Reference, the team has been giving up 100 points per 100 possessions with Bradley starting alongside either of Rondo or Lee this season.
Last year when Bradley was inserted into the starting lineup, the defense was even better to close out the season, like historically good, giving up around 95 points per 100 possessions. Of course that historically good defensive stretch featured a backcourt of Rondo and Bradley.