People are looking at this at face value and it's kind of gross. You donate money to a shelter that helps rape victims, not to the rape victim themselves. This isn't an issue you can throw money at and be like, "welp, I did my part". Kesha doesn't need money, she needs public support to help her and other girls who may be suffering from the same thing.
Taylor believes that money fixes everything but it doesn't, especially not something like this.