> depriving them of access to basic necessities such as housing and healthcare

How is a government doing that specifically? Nothing in life is free. Reciprocate a service for money given. What do you mean?

Polluting the world we all do it with vehicles. We all buy products that are made with toxins, waste, poisons being dumped into the air, water and soil. We are all culpable with the purchases we make that sustain these industries. But yes, polluting the water and harming others is an act of violence.

Who initiated harm first? If there is harm being done to innocent people who did no harm, then physical action is allowed to stop it. Not that governments, police or the rest of a society will accept that because they are so conditioned into being pacifist cowards...