I don't think of stoicism as passive, though - it is just about responding rationally rather than irrationally, and one important aspect is focus on what can actually be modified, controlled or accomplished, not on fantasy. That idea seems crucial to modernity, where the main manner of control is to dangle outrage after outrage in front of everyone to keep them focused on spectacle and NOT focused on what they can actually, materially, physically do to change the world.