> What usage lifetime justifies the total lifetime of a plastic object?
Probably depends on if you're having to justify it to someone who wants to 100% ban all plastic or someone who wants a silly phone simply because they like Garfield.
The value of reusable plastic devices in a pollution sense is less that the device will be ~20 years older by the time it's thrown away, but rather that there will be so much less plastic used overall than if disposable devices were used for that purpose for that time.
