He was objecting to plans for a plaque celebrating the 50th anniversary of the Huntington Beach Central Library, which included the words “Magical,” “Alluring,” “Galvanizing” and “Adventurous” — the first letters of which spell “MAGA,” President Trump’s slogan meaning “Make America Great Again.”
No, not usually.
The problem is that once you say something “they” don’t like, “they” can and will find something to come after you for.
“They”, in this case, being whatever power is in place.
In this case, the thing they arrested him for was not given in the article, but he was physically moving towards where “they” were sitting, so it’ll be some trumped up bullshit like disturbing the peace, or communicating threats that aren’t actually related to what he was doing.