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The anarchist symbol has been used by tons of groups, both left and right, throughout history. You can find it almost anywhere that has a substantial amount of graffiti and I'd bet more often than not it's just done by kids/teens that have no significant group or political affiliation. The video doesn't even show who sprayed it and basically everyone looks like your average teen. Labelling this as "Antifa" because someone spray painted an anarchist symbol and someone has green hair is a bit of a stretch.

Maybe. Why don't you point out exactly what it is in that video that makes you confident enough to label them as "Antifa." I don't see anything that leads me to believe they're anything more than dumb teenagers in the middle of a riot.

Looks like rioters to me. There's certainly not enough evidence in that video to prove any sort of group/political affiliation.

> Some seem pretty organised.

Like who? In North America, I haven't seen any evidence of this. The example that's always posted, including in this thread, is a lone actor that hit a few people with a bike lock years ago.

According to the Government Accountability Office of the United States, 73% of violent extremist incidents that resulted in deaths since September 12, 2001 were caused by right-wing extremist groups. That's not even including what they label as Islamist extremists and "incel" extremists which both could also easily be classified as right-wing extremism. In North America, violent left-wing extremism is barely a blip on the radar and yet we keep hearing "conservative" talking heads go on about Antifa. It seems like little more than a politically motivated distraction much like Obamagate.

The civil rights movement had a substantial amount of violence and change only started to happen because there was a very serious threat of it escalating. Purely peaceful protesting has almost never worked and most of the examples people cite (India's independence, anti-apartheid etc.) include a large amount of historical revisionism.

> my small Javalin app uses four times the RAM at rest as my Express app did

Are you looking at used heap space or just the amount of memory used by the Java process? I have a few small Java services using vert.x and they hover around 7-15 MB of used heap space. For small services I usually just restrict the maximum heap space size because the default is unnecessarily large.