If telling your ISP about something you sent causes you "real financial harm", perhaps you shouldn't have sent it. Perhaps you are responsible for the "real financial harm" to yourself.
The law is designed to cover cases you might not immediately think of. Protecting men/women from "legal" harassing communication in the work place, protecting homosexual couples from discrimination, etc. eliminating such protections to stick it to nazis is, to put it mildly, naive