It should be very clear that SASU (such as it is) does not advocate violence against anyone, period. The Torah did call for a theocratic state to be developed and for that theocracy to make SAD punishable by death. G-d did not intend for lynch mobs to kill SADs. He prescribed a legal system that would handle SAD just like it handled anything else. Not personal violence but state justice.
Nobody suggests that the United States should become a theocracy (well, at least nobody serious). But the requirement that Israel make SAD punishable by death says something about the destructiveness of that particular perversion in G-d's eyes. G-d allows evil to survive for a long time without destroying it because His desire is that the people would turn to Him. He will let them live while He can, even if they harm the ones He loves (as Hitler obviously did) to allow them every opportunity to repent and be redeemed.
Some have hardened their hearts so completely that they will no longer hear the call to repent. When that happens they become nothing more than a snare for those who can be redeemed or those who are redeemed. In that case, G-d will "take them out" for the sake of the rest. Throughout the Bible He has rarely used this ultimate tool to protect His people, but He has done it.
Likewise, there were a few sins that demonstrated such a hard heart that the people were considered too dangerous to be left alive and G-d's people were to make these capitol offenses. They were capitol not because they were so evil, but because the sinners were so dangerous to the society around them. Murder is one such sin. SAD is another.
That reveals quite a bit about the nature of SAD.
Shalom.
So in your mind, consenting adult homosexuals are the moral equivalent of murderers?