Couple of other options. Maybe more people agree with that statement than you realize. We humans tend to protest selectively.
Second one is more likely, though. Viktor Frankl tells how horrified he was by the brutality when he first arrived at Auschwitz. Within a few weeks, he was sipping soup while a man got killed and dragged out and it didn’t phase him. Are people just so used to Trump’s outrageous comments that they don’t warrant a protest anymore? I don’t know. But it’s an option too.