This is part of what the problem was - I was taking this into consideration (any hydrocarbon polymer is feed stock). It also was never just oil that...
You're saying that only the underclass uses French words??? That's amazing. In the USA it's the working class who stick with English. The rest of us...
The problem is that something like 85% of discarded plastic is not recoverable. It's a bunch of tiny plastic components mingled in an apparatus that...
You also suggested that you couldn't see how it might have accumulated bioticaly, lending credence to abiotic oil. But there's something you need to...