But I Read a Book About It Definition

Based on its description, But I Read a Book About It appears to be about a character attempting a skill with only book knowledge under their belt—"the literary equivalent of I Know Mortal Kombat and Taught by Television".

However, the laconic describes it as "Someone thinks they know everything about a subject because they read (usually only a few) books about it."

And the description for I Know Mortal Kombat ends with "Contrast But I Read a Book About It."

I'm guessing we should go by the trope description and that the other two points should brought in line with that? Or does this need to go through a wick check?

Here's the problem. Here's the description on the original YKTTW, in full:

The first paragraph (essentially intact on the present version of the page, but with better grammar) implies that, unlike I Know Mortal Kombat and Taught by Television where the minimal experience with the task is implausibly enough to pull it off, here the idea that a character can pull off the task because they "read a book about it" should fill you with dread and herald potential disaster. But the second paragraph suggests the opposite, that attempting a task after only reading about it is enough to pull it off successfully. So I can see there being confusion as to which is intended, if not both (that is, the trope being outcome-agnostic).

As you said, the description seems outcome-agnostic. I assumed that was fine, but it is kind of confusing.

At the very least, I think the laconic probably should be reworded. The trope seems to be about someone attempting a skill, whether successful or not. "Someone thinks they know everything about a subject" doesn't mention an attempt at anything.