While it may vary somewhat from individual to individual, in general there are two things which griffons find attractive: shiny things (shiny, expensive things to be precise) and being able to beat your opponents into a bloody pulp. Fluttershy just went from a three to a solid ten, and Gilda is very conflicted about that.
This ship has really grown on me :> A lot of fan-interpretations of Gilda are just to freaking adorable, I just had to draw some of that