I looked at the Tweet (you know, it's also the article title) and it does no such thing - even referring to this as the Internet Archive CDN.

This is entirely a strawman you are burning down to make light of the fact that far from a stupid mistake, this is recklessness enabled by the joke of an "web development" industry. This stupidity is common practice and certainly no one in this thread seems even slightly inclined to clean it up.