The Greek system is being rebooted into what it used to be many years ago. With more chapters on campus each year and more involvement, Greek life is becoming more wide-spread. In 2003, all Greek organizations were required to go dry, meaning there is no alcohol allowed at any Greek-affiliated meeting or party. Those who abstain from joining won't be heavily affected. It is a great community to be involved with on campus, but if you don't take part in it, you will not be ruining your college experience. Either choice has many benefits.
Rather than dominating campus social life, the Greeks offer a fun alternative to the bar scene. Greek life is a great social outlet but is also a place for service, academics, and brotherhood and sisterhood. It's not uncommon to hear of former Greeks who have dropped out of the system due to finding new friends, maturing out of it, or simply getting sick of sub-par living conditions. Basically, it is what you make of it. For those looking for it, the Greek system offers a solid sense of community with a social atmosphere and allows you to bond and become great friends with people of all backgrounds.