I grew up in New England where the smell of fresh lilacs in spring is a sign of winter's demise. In CA where I live now, there is a special variety of lilac I grow (santa maria lilac) which was developed so as not to need the chill factor of the traditional varieties. I still find the scent of a bouquet of home grown lilacs more intense and beguiling than any florist's rose bouquet.
Because lilac was more popular in the past, perhaps lilac is a note associated with "old lady-ness" in today's marketing? According to this blog, it's also difficult to get it exactly right.
Strangely, I just a few minutes ago won a bottle of this very Ineke scent on Evil-bay, unsniffed. Fingers crossed I like it.
A lilac scent I already own and admire is: Highland Lilac of Rochester
Edited 9/9 to report the Ineke After My Own Heart arrived and it is a truly great interpretation of a lilac bush in a spring breeze. Lovely, bright and wearable!