Is dehumanization immoral? I would say Yes, dehumanizing people is not how I wish to be treated, Golden Rule. Is dehumanization sinful? I would say yes, though I cannot ideally discern or judge.
When Christ said things along the lines “don’t cast your pearls to swine or they will turn and rend you” was he speaking about literal pearls and swine, or was He speaking figuratively about trusting the wrong people? Was He dehumanizing the people that misuse gifts given?
Christ is perfect. Dehumanization sinful? Precedence matters.
Details matter, Consistency matters, Legalism is less than all value added, Human comprehension (including my own) is less than ideal in many cases.
No amount of dehumanization factored into Christ being put on the cross?
No amount of dehumanization factored into Jewish people in gas chambers?
No amount of dehumanization factored into the Darfur genocide?
People have a historic precedent of not valuing human life sufficiently, treating people as more than animals. The detail matters. Whether dehumanization is sinful or not matters.
Guidebook needs to be clear, needs to set ideal example.
Cops and authorities like giving good jobs to people classified as criminals? Whether the criminal was guilty or not factors into Swine or Not Swine thought?
From a family with known Criminals never misused by society? People like to group for the sake of safety, throughput.
Red Coat Tax Collectors, Slave Owners, mistreatment of Native Americans, Human Right’s abuses many and numerous. Past track record matters, factors into historic precedent that Authority does not meet Divine standards is usual, common? Details are set to less value for the sake of Throughput, capitalizing on Right?
Past forgiven factors into past forgiven, mercy for the merciful.