>>1197864True, she does have other options. Such as the professional modelling career that Rarity really wanted, or winning the most teacher of the months awards at Twilight's school.
Still, when it comes to dealing with ferocious monsters of the Everfree Forest, Fluttershy does have a track record of facing monsters without fear, such as helping a manticore with a thorn in its paw or being petrified by a cockatrice and walking away from it.
Hell, she even was entrusted to pacify the lord of chaos himself.
Can Rarity do any of that?