If your reaction to the title was disbelief, you share the opinion of most people who have had encounters with them. The only thing we want when we see them is get rid of them, in any way possible. However, there are a lot of wrong ways to try to get rid of a wasp nest, and only professionals can do it safely and thoroughly. In Orange County, in places like Irvine wasp nest removal is a year-round business.
Wasps seem to get a bad reputation as useless and aggressive, especially when compared to honey bees. However, the story is not as clear cut as we would want it to be. There are actually some benefits to having some species of wasps around. Just make sure you do not agitate them, as their stings hurt.