I bring you a message on behalf of the old ones.
The volume slider at the bottom of YouTube videos, that disappears while the video is playing?
They can’t find it. They don’t know about it. And after being told about it, they can’t remember it.
Three decorative lines.
Menus that appear on Zoom, only when hovering the cursor over the window, or tapping the screen?
Although, I have merely been aiding persons of large age, and have not carried out a study.
Solution?: light mode, dark mode, and “I am old, don’t hide things” mode.
UI designers, spare a thought, if not for the ancient ones, for those who walk among them (digitally, due to the pandemic).