Exhibit A: Line 2 is closed between Banco Espana and Opera.
OK, no big deal, I heard about some sort of closure in the paper, but before I go out I want to look up which stations are closed, and what the current status of the line is. Should be some sort of notice on the website, right?
Exhibit B: Metro Madrid's landing page, with current news items (March 23rd, 2 days after the line was partially shut down)
You fail at the Internet.