Trump is a symptom, not a cause. Of course his rhetoric and abrasive disregard for the law has emboldened others to be more direct in their hate, but if Trump were to die today these problems wouldn't just magically disappear.
Thats the problem; there's a lot of people who aren't thinking the same things that Bernie says. Those people give Trump his power. He's nothing without a backing.
Orange PVC pipes are used plenty in my neck of the woods. I see them regularly used for fire suppression system piping.