Daedras have different standards, I say we can all leave it at that.
Also, I personally think it's Tribunal's fault for challenging Azura directly, even going as far as "we don't need you no more". Nerevar warned them, they broke their promise, and frankly they kind of had it coming.
They did break their promise but they did it with the honest intention of doing right by their people.
Azura was upset she became an anticipation before her time, it always would have happened but AlmSiVi forced the issue.
Azura had no claim on the Dunmer. She is a Daedra and chose not to participate in Creation, she chose to sit at the sidelines and later she chose to meddle.
The Triune have a more valid claim to their people as at least they are family.
Azura had her time in the sun and should have been content with that, given that she had no real right to it in the first place.
While I think you cant categorise any Daedra (or god for that matter) as evil or good, to me Azura is one of the more malevolent ones.
Meridia is also vainglorious, but at least she is up front about it and about the nature of the deals she makes.
Azura is a bit more seeming one thing while being another to me.