>. And if I'm only planning to be on it for 30s, I'm not going to learn that.
It's a standard UI control and it is used pretty often.
I guarantee you fewer than 50% of people who use a desktop computer at least once a week know how to multi-select and range-select using shift and ctrl on them, though. That's why you need the text—which many will, for reasons that are actually pretty good, ignore.
Or you could just use a better control.
It is standard but it is not used often. In fact, I can’t remember the last time I saw one used that want some ancient, intranet application built on Cold Fusion.
Many users don’t even know you can use a key shortcut to copy/paste.
Then there's the way styles are so different, especially on the web. Horribly user-hostile. How does this site mark something as important, assuming it bothers in the first place? Who knows. And if I'm only planning to be on it for 30s, I'm not going to learn that.