I dunno, isn't it still too associated with the late Princess of Wales? Or maybe younger people who don't really remember won't make the association?
I like Diana pronounced like Deanna (as in the original Latin pronounciation) rather than Day-ana.
"We have to live without sympathy, don't we? That's impossible of course. We act it to one another, all this hardness; but we aren't like that really, I mean...one can't be out in the cold all the time; one has to come in from the cold...d'you see what I mean?”
John LeCarré