I don't remember it as being this bad before either, Maria.
Too many of the trolls are repetitive parrots with zero creativity: probably just bored people, frustrated with life and trying to look for a power rush online because they feel powerless in real life: annoy people just because they can.
I haven't seen them here with my own eyes. I work in the European section of the city so I get to see the international protests whereas those firefighters are dealing with a national issue so they'll be mostly protesting in other parts of the city. However, it was in the news of course: those firefighters demand an extra 70 million euros to their budget or they'll threaten to not just block the city roads but also the rail and subway stations, the airports,...