(That is not to say the article is wrong, or that recycling is perfect, just that certain facts in isolation don’t really allow you to draw any conclusions.)
https://en.wikipedia.org/wiki/Bisphenol_A
which was developed as an estrogen active drug until they found this stuff
https://en.wikipedia.org/wiki/Diethylstilbestrol
which worked "better"
Plastic for use in food packaging ought to be regulated as to what you put in it, which ought to be easy for virgin plastic (though seemingly it isn't) but would be much harder if you were recycling plastic meant for different uses.
(Of course there is a lot of controversy about the mobility of plastic components. We know the carcinogenic styrene monomer exists in significant amounts in polystyrene, what's not so clear is how much of it migrates out)
> BPA was never used as a drug.
BPA wasn't developed as a drug, it was developed for it's resin properties.