It shouldn't be because then people can use their disgust response to moralize about other people's behavior, and that's historically done a lot of real-world h

It shouldn't be because then people can use their disgust response to moralize about other people's behavior, and that's historically done a lot of real-world harm. There needs to be an actual moral justification instead of ad hoc assertions. But I get that there's a lot of scope for different views under the banner of meta-ethics.