[Dr. Sivana]

I remember paper straws being common when I was a kid in the 60s. They worked fine, though there were no eco claims here n those days.

[Steely Tom]

I remember paper straws being common when I was a kid in the 60s. They worked fine, though there were no eco claims here n those days.

Possibly because in the 60s there existed no inexpensive analytical machines that could detect chemicals at parts-per-billion levels.