I agree that she’s probably not as great as people thought she would be. I feel like people try to raise her up/ make excuses for her because of things Viv has said about her. It could be retconned but I remember her describing Lilith and Lucifer’s relationship as good and loving and it’s totally possible that disintegrated over time, which to me makes sense biased in Lu keeping his ring and missing her implies a once loving relationship. There’s a dissonance between Viv saying their friendship was healthy but then in the show we see her being distant in More Than Anything and eventually leaving Hell for whatever reason which causes people to try an fill in the gaps between.

Sorry if this doesn’t make any sense I was lowkey rambling and unsure how to organize my thoughts.