Some people don’t know when to use the Shift key. Sure, they know to hit it when starting a sentence, but other times, they’re unsure of what words to capitalize. So they guess. And if those folks work on the Yahoo! front page, they probably guess wrong.
When referring to the legislative body in Washington, it’s the House:
When they’re not knocking down the House to a common noun, they’re seeing that common nouns get some capital gains.
The cochlear implant is great! But it’s not a proper noun:
If you’re referring to Pope Francis, his title gets a big, fat P. But when pope doesn’t precede his name, it doesn’t: