I wonder if some of this could also be related to https://en.wikipedia.org/wiki/Hostile_attribution_bias where some people simply see ambiguous or benign behavior they don't like and interpret it as hostile.
> A friend once told me of an ingenious class demonstration that helped her begin to understand this process. A professor split the class in two and then spoke to the first half alone, telling them of his love for travel and a recent trip to Libya. Next, he spoke to the second half about shopping and how hard it was to find the right size shoe. Last, he brought the class together and said a single word. He asked the students to write it down. Students in the first group wrote, “Tripoli.” Those in the second wrote, “Triple E.”