I believe the "personal taste" to derive from "standard", at least for serious Hifi users and the standard room response for subwoofer is a flat curve. That's why all manufacturers are claiming why their subwoofer is flat in measurement.
I agreed that flat curve may not give everyone the best sensational feel and mood. As you are reproducing something the maker of movies intended you to listen, but not with distortion that your room gives you. Same as display devices, after you calibrate your device properly, you will have more "say" that you fine tune it to your taste.