The other thread discusses WBC's obnoxious method of speech. On this thread I hope to discuss what it is, in nonreligious terms, that they are trying to say.
I claim that WBC's message is in essence a warning that the people of the United States must turn away from queer sexuality in order to avoid awful consequences. In religious terms, the message is, "Live according to God's Commandments, or else!" This is not a new message. It is the moral of the Biblical story of Sodom and Gomorrah. Osama bin Laden, in his letter to the London Times, also voiced the same warning.
This warning is not a hate message, any more than the story of Sodom and Gomorrah is a hate story. What we have here is simply a warning to live morally. I offer the factual narratives contained within Snyder v. Phelps (2011) in support of this:
If the people of the United States become willing to really hear this warning and to consider it fully, much good might occur. The true bone of contention is whether queer sexuality should become acceptable in society. IOW, at issue is whether the freedom to speak includes the freedom to rebuke. Queers want to silence an inconvenient idea: the marriage norm.
WBC wants to proclaim the marriage norm, which states that queer sexuality is morally wrong. WBC's message is neither more nor less than a warning and a call to return to morality.