The events of the Sunset Shimmer incident are weeks in the past and everyone is doing their best to move on from it, including Sunset herself; she wants to make amends for her mistakes and forge better relationships with the people of her adopted world, but they don't make it easy. Few, if any, are willing to take a chance on her save for the friends of Princess Twilight.
Perhaps there is at least one other out there who might show her a little understanding?