Mustard oil is traditional and still very common cooking oil in South Asia that is even higher in erucic acid than rapeseed. People have used high erucic acid seed as good for a long time.
The two most common oils in Japan are canola and soybean, and that's also historically been the case, not a modern change. They definitely do not believe there's anything wrong with seed oils.
That's because that doc is talking about Southern Nevada (read: Vegas) in isolation, 78% of Nevada water usage is agriculture (followed by 13% residential, 7% mining)
OTOH dates back to the 90s and has since remained very common in internet writing. It is more surprising that you've never seen it than that someone used it.
The production of LSD was highly concentrated, the DEA claimed that after Pickford's arrest, availability dropped by 99.5%, it looks quite a while to recover. His supply basically was the entirety of demand at the time.