Ecosystems aren’t built by any homogeneous group of people. They’re a sum of their parts. It’s not like there was a committee and that committee decided how things should work wrt wheel reinvention. People publish packages, and the result is something we call an ecosystem.

Isn’t all air shared?

Why would anyone inject LSD? Skin contact with a few micrograms is enough to trip.

Wikipedia lists the cutoff for ancient at 500AD so I don’t think this comes down to perception. Insofar as words have meaning, TFA is using “ancient” incorrectly. Then again, language always seems to slouch towards the extremes. If literally dead can mean slightly amused, maybe ancient can mean a couple hundred years old.

Lots of possible answers here but I’ll go with DOM bindings