Existing laws we already operate under have much more severe maximum penalties than people realize, and judges are (relatively) reasonable at applying them correctly. Right here in the US, nearly everyone is technically violating some law every day, the key is ensuring that our justice system has the mechanics in place to deal with clear violators, while having adequate redress for improper application of the law.
The copyright law is much the same. No, memes will not get banned by it. Yes, Google News will have to pay for the content they scrape. No, you will not get hunted down by the copyright gestapo for sending a link to a friend.