Gody will never be a BBD replacement because they play different positions. BBD is a 4/5 and Gody is a 3/4. I don't know why people think Gody can just replace BBD.
Not to mention, I can't imagine the 52nd pick in the draft is ready to step in and replace a key bench player. Davis was also a second round pick, but if you recall, he didn't contribute much as a rookie and he has outperformed his draft status. Can we be sure Harongody will actually be more than a late second round pick, particularly his first year in the league? I think Davis is somebody we need to hold onto especially given the uncertainty surrounding Perkins.