I would have to question if those signs are all truly from American antiwar protests. I can also tell you those are not typical of any signs I've seen here in Minneapolis. All the protests I've seen have been peaceful with signs more along the lines of this

http://www.dccofc.org/War_and_Peace/Anti-war_signs.html

$1 billion a day to kill people -- what a bargain.
*Mental *Spiritual *Social *Political *Physical
1000 points of light and one dim bulb.
A Coward insists a man put down his weapon so he can be shot.
A picture of Bush saying "Why should I care
A picture of Bush saying "Ask me about my lobotomy."
Act like this is a Globe, not an Empire.
All we are saying is give Blix a chance.
America, get out of the Bushes.
Amerika, One Nation Under Fraud
An eye for an eye leaves the whole world blind (Gandhi).
Another patriot for peace
Anything War can do, Peace can do better
Are Jenna and Barbara part of the Coalition of the Willing?
ARMY: America's Reason to Murder the Young
Arrogance is not good foreign policy.
Arrogance is not the answer.
Asses of Evil (With pictures of Bush, Cheney and Rumsfeld)
Back by Popular Demand (Peace Sign)
Beneath a picture of Osama bin Laden dressed as Uncle Sam: I want YOU to bomb Iraq.
Big brother isn't coming -- he's already here.
Bin Laden: CIA Trained, Oil Funded
Bombing Iraq is SO ten years ago.
Bombs kill babies not dictators.
Bombs Kill Puppies (a dog wearing a poster) *
Break the cycle! War, Terror
Buck Fush *
Buck Fush!
Bush + Dick = Fucked
Bush & Co [not = to] America
Bush, Chill Out! Smoke some Weed, Not Iraq!
Bush is a Fatal Error
Bush is proof that empty warheads can be dangerous.
Bush is the True Threat
Bush is to Christianity as Osama is to Islam.
Bush policy: tax breaks for the rich, body bags for the poor.
Bushes are for pissing on.
Cast NOT the First Bomb (Pray for Peace)
Colorfully dressed drag queen carrying a sign that says: I am the bomb.
Consume -- Consume -- Bomb -- Bomb -- Consume --Consume
COUNT US RIGHT YOU FUCKERS
Curious, George? -- get a clue.
Dear Bush, You can't finish what your Daddy couldn't.
Declare Peace!
Destroy Florida. [It could happen again]
Dick + Bush = We're Screwed!
Disarm Bush too.
Disarmament begins at home.
Dissent is Patriotic
Dissent IS Democracy
Don't Arm a Son of a Bush
Don't beat your Swords into Oil Shares
Don't blame me, I voted with the majority
Don't do it, George, Dad will still love you
Don't waive your rights while waving your flag.
Draft Dodgers shouldn't start wars
Drop Bush not bombs.
Drop Bush Not Bombs [repeated over and over]
Drunk frat boy drives nation into ditch. . .
Drunken frat boy drives country into ditch.
Duct tape this!
Dump Bu$h, Save Earth
Ecoutez la France - Contre la Guerra!
Empires fall.
End Cowboy Diplomacy
End Mad Cowboy Disease
End Racism, Iraqis are People too.
ENVIRONMENTS
Fight Pollution, Not Iraq
Fighting for Peace is like Fucking for Virginity
Frodo Blew It: Bush Has the Ring!
Frodo Has Failed, Bush Has The Ring *
Fuck Bush and His Oil War *
FUCK WAR!!!
George, Jesus is watching.
Give us back our CONSTITUTION!
Go Solar, not Ballistic
Go Solar, Not Ballistic
Greenbelt, Maryland, Supports Peace Not War
Harken Ghoul (Cheney) Don't send our sons to die so you can ride in an SUV
Healthcare not warfare.
Helen Thomas for President
Help! UN! America's been hijacked.
Hemp for Fuel!
Hey B*sh, Here's Your Standing Ovation. . .
Hey Dick! Your Monkey's Out Of Control!
HJR 20 for Non-Pestilence
How did our oil get under their sand?
How does provoking our enemies create peace?
How many Lives per Gallon?
Hypocrisy [does not =] Democracy
I am unarmed and unafraid.
I asked for universal health care and all I got was this lousy stealth bomber.
I love my country but I hate this government.

I think at best your taking a few very extreme examples that fit with your reasoning but they certainly are not representative.


Fair play!