I don't think the controversy has been settled. The results of research often depend on WHO is paying for the research. When I open a bottle of water and smell plastic, I'm fairly sure there's plastic in the water... if you can smell a substance, you are, in fact, ingesting it.
Is it "safe" to use for 6 weeks on the Camino? Probably not, but you're walking, sweating those chemicals out of your system (hopefully) and a person must pick and choose their battles.
A Simmering Controversy
A few weeks ago, Canada declared the chemical (BPA) toxic and banned using it in baby bottles. In September, a study published in the Journal of the American Medical Association linked the chemical to diabetes and heart disease in adults.
Earlier this spring, an evaluation released by the Department of Health and Human Services' National Toxicology Program also raised concerns, finding that "the possibility that bisphenol A may alter human development cannot be dismissed."
Personally, I will not use anything with BPA in it for "LONG TERM USE" --
However, on a 6 week walk, where weight is an issue, I'll use it.
Regarding utensils? Leave it all at home. You do not need it. You can pick up an inexpensive knife for under 2 euros to carry along with you for cutting bread and cheese.