Earlier quoted context omitted.
There’s always obscure use cases like this. You could go on forever listing individual people’s wants and you’d end up with a Homer car. We design interfaces for the many first, and keep them as simple as possible but not simpler.
An always visible scroll bar or indicator is conceptually simpler than one that disappears randomly. Knowing that a view is scrollable and there's more content to see is absolutely not an obscure edge case but a basic accessibility feature. Relevant past discussion: https://news.ycombinator.com/item?id=20951580 Also relevant, what happens when the user doesn't realize more content is available: https://news.ycombinat…
An always visible scroll bar takes up a good chunk of screen space when you have multiple of them, and it's easy to develop intuition for what's scrollable and what isn't, just like we know what's right-clickable and what isn't.
It should be an option and it is, at least on Macs.