In France violence is legally defined as harming people. Burning a Tesla shop is technically not violence, so it's perfectly fine 🔥

Non-violence at best accomplishes one thing: make injustice public, force society to talk about it and position itself on a topic. It won't be enough to convice, unless you are a victim of publicized harsh violence (think blood is spellt, people get into a coma, or worse). Like all strategies revolutionaries will have, none should be discarded and they are all complementary. What matters is that everyone acts collectively and pushes in the same direction