Spoilers, and how to hide them

Some forum- and content-management packages offer “spoiler” markup tags, which insert a bit of code to hide the designated content behind a “clickable” link. Some packages allow the poster to specify the link text, by means of [spoiler="some text"]...[/spoiler]. A quick search reveals that a Drupal spoiler module exists; there is even a video that describes how to configure it.

Over at the Crystal Hall (official Whateley site) forum, posters use the “spoiler” feature to hide any manner of content that may be disagreeable or too lengthy, sometimes use it for humorous effect, and for any other purpose that imagination can conjure. My question is, if Erin & Co. could be persuaded to install it, would anyone actually use it? Thoughts? Votes?