[mcpackieh]

> A foodstuff packed in a glass jar with a metal screw-top isn't going to spoil any faster than the same thing in a plastic container,

In fact glass is easier to sterilize; it isn't porous and holds up to high heat and chemical disinfectants like bleach. This makes it superior to plastic for food preservation.

[mrguyorama]

But that doesn't matter because everything nowadays is designed as "single use"