This is your baby. You dreamed it up and set it up, and now you might find yourself taking it a bit too seriously. Keep your perspective and sense of humor. When you find yourself overreacting to people's posts, step back and remember that sometimes we interpret the written word differently than the spoken word because we don't get any nonverbal cues from the speaker. Let it roll off your back.
Online communities are, in the end, an experiment in human interaction.
Jump in and explore.