I think if you drill down a bit past the first paragraph citing uncertainty, you’ll find there’s a pretty consistent body of scientific findings naming various ill-health effects. Maybe follow up on those specific studies, supplementing with ScienceDaily and PubMed material as needed?

I’m not a nutritionist, and haven’t spent much time myself researching palm oil studies, but I can tell you as someone who’s tried to keep abreast of nutritional news for decades, so far I’ve only seen negative findings upon palm oil, both as a food and as an ecological agent of destruction.