I know that this wasn't the main point of your post, but palm oil production has actually become substantially more defensible in the past decade (i.e. deforestation and worker exploitation are by far the exception instead of the rule).
All that to say that the moral thing to do might change with time.
i am definitely a bit of a hypocrite here- in most of my hair products there are ingredients that use palm oil as feedstock. I just try to avoid it in food products.
All that to say that the moral thing to do might change with time.