He'll care enough to wish that Jinx didn't have to have that go up in flames, but also realize that she learned an important lesson from that so in the end it all worked out, really. And he's not nearly stupid enough to try to 1) defend her honor and 2) defend her honor against Lucifer. So would it be a continuation of same old, same old in terms of working on projects and stuff?

Year 4/5: His own fixed
Year 6: Figures out how to translate it over to Raphael and manages to relieve a tiny bit of it for Lucifer? Also continues to work on it more between 6 and 10 with small drops of improvement for Lucifer?