That's true for some sites, and that's what Wikipedia does. But in apps, I don't mind if some discoverabilty (such as for non-essential links) is sacrificed - people will eventually learn if the app matters to them.
Take the case of HN. The "15 minutes ago" and the username are both clickable for a topic. But not underlining or differentiating them makes the text more readable. Most of these things are opinions of course.
Take the case of HN. The "15 minutes ago" and the username are both clickable for a topic. But not underlining or differentiating them makes the text more readable. Most of these things are opinions of course.