"all slogans suck except this one". Alternatively "all soundbites suck except this one". Essentially a rejection of any and all soundbites/slogans/catchphrase on the premise that they all push an oversimplified or casuist view of the world.
Can be used seriously or ironically.
Skinhead Nazi: "We must secure the existence of our people and a future for white children"
Sane person: "Fuck that"
Skinhead Nazi: "What you think white children don't deserve a future?"
Sane person: "Your slogan oversimplifies reality and your ignoring the facts that it's used as a justification for genocide of non-whites. Asseto"