I don't think it's especially flattering. But I don't think the medium helps. Is it Bronze? I always thinks that looks hard, usually with sharp edges etc, I think it's the way it's cast.
I think something stone or marble that could be carved and smoothed would have better caught her likeness and also her nature, rather than the sort of dark, spikiness of this offering.
And I don't understand the children. Is it meant to be Harry and William or not? If it is then it doesn't look like them!! And if it's the 'world's children' then there should have been more, and different heights/ages, to represent that.
And her clothes! It can't have been easy to cast those clothes, with the collar, and the pleats, and that belt... but it's just... I don't think I've ever seen a photo of her wearing something like that. And it seems like they spent more effort on the clothes than they did on her face or hair!!
And people saying that it's 3D and it's hard to model a face from photos etc. It's not, not nowadays, madame tussards can and do make waxworks without people having castings (can you imagine the Queen having that goop poured all over her for instance?) and must do so from photographs. I'm sure there are enough photographs of Diana out there, a decent computer whizz with a 3D modelling programme... could have blooming 3D printed a better likeness....
I'm glad Harry and William came together to reveal it. But I think the statue has missed the mark rather.
Just my opinion obviously, and I'm quite sure Harry and William wouldn't have signed off on something they weren't happy with, so they must be, and that's all that really matters. They're the only two people whose opinion actually matters here, really.
But no, you're not being unreasonable! X