Thought by whom? Surely the plastic engineers know what stuff they put into it. And although the article says most are unregulated, surely the regulators, governments, and voting populations tbh, are at least aware that they're not regulating this. If there ever was ignorance it was at least wilful ignorance.
The actual report: <a href="https://zenodo.org/records/10701706/files/PlastChem_State_of_the_Science_on_Plastic_Chemicals_Report.pdf?download=1" rel="nofollow">https://zenodo.org/records/10701706/files/PlastChem_State_of...</a>