[benatkin]

Nope, the level of reader comprehension here is too low. She said that there was no line at the family restroom before she said she threw her water bottle. If that isn't enough to clue readers in about the real source of her anguish as opposed to the thing that first tipped her off, there's the whole rest of the article.

[dpark]

It's also poor writing. It was a third of the way through the article before she clued us in about what she was actually mad about. It very much read as if she were angry about the restroom situation.

However, this isn't especially relevant to the real point of the article.