Read other letters about this article
There is an entire series of papal encyclicals on this topic starting in the 30's with one entitled "Rerum Novarum". It critiques BOTH communism, for taking away private property, AND "unfettered" capitalism, for its potential to disrespect the dignity of work and the worker (and isn't that what has happened?). The rest of the series proceeds from there to talking about sharing the wealth of our country with the impoverished of other nations when the needs of our communities are met.
This just isn't anything new in Catholocism.
Plus, after having learned their lesson long ago after imprisoning Galileo about that Earth revolving around the sun thing, they are not anti-evolution.
There isn't only one group of Christians out there.