Please re-enable the `-webkit-overflow-scrolling: touch;` CSS style for your content. The article is a pain to read on Mobile Safari because bouncy/rubber-band scrolling is disabled.
Don't ask him to add it, ask Apple, it's their fault. It's not a production feature.
And since it's Apple, you can't just use another browser as it's all the same crap on iOS.
You're stuck with something worse than the 2019 equivalent of IE6. iOS is a joke when it comes to web browsing.