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I'd argue both are active - as some of (edited) those in power work very hard to ensure there is no wealth trickle-down and actively engage in stopping social mobility. Therefore poverty, definitely in certain demographics, is a direct and purposeful consequence of policy. Healthcare is also withheld on purpose as a result of policy and business practice.
Tl;dr harm and death by neglect is still a wilful act.
Guns and abortion aren't remotely analogous.
If you want a useful contradiction it is how preventing the "killing" of unborn children is of utmost importance, but prevention of them "just dying" through poverty and lack of access to appropriate treatment is just how it is.
Even then one is active and one is passive, so still not ideal.