There's this really important moment in the apologies that I glazed over a bit. D'Argo's attack on Rygel was really really bad. When D'Argo apologizes, Rygel says he can't forgive D'Argo ... yet.
In the year 2000, this kind of silly, underappreciated, cult classic said a thing that a lot of us still need to learn today, just shy of 26 years later.
An apology isn't always enough to warrant forgiveness. Sometimes forgiveness takes time. Sometimes forgiveness doesn't happen at all and sometimes that's ok. Although the previous sentence isn't something the show covered here.