"The right thing". The right thing is to not register me to these spam mailing lists in the first place. I did not register, ergo they are spam, and should be

"The right thing". The right thing is to not register me to these spam mailing lists in the first place. I did not register, ergo they are spam, and should be blocked from spamming other people. "Report spam" is exactly the correct behavior I intended when I clicked on it.