Here are a few quick observations: not everyone speaks the same language. Not everyone has perfect hearing. And some people like to goof off at work without alerting the rest of the office. To address all these issues, YouTube has introduced a new captioning feature.
Google Allowing Misrepresented Result Snippets
I’ve asked Google if it’s a "sneaky redirect" per their webmaster guidelines to send some users to a registration page that does not contain the words available in the search results page snippet (the words you searched for).