There was a great article published yesterday on WPMU.org called “9 WordPress Myths That Might Surprise You.” Good stuff and common questions that we get all the time. All of the following are myths. You can read more in the article. Enjoy!
Too many plugins slow your site Inactive plugins slow your site Inactive themes slow your site Too many revisions slow your site Keeping a lot of trash or not emptying the trash slows your site WordPress is for blogs WordPress is unprofessional WordPress websites are low quality WordPress is insecure
These most certainly are all myths as web.unc.edu has proven time and again. Take a look around to see some of the great things that are being done on campus with wordpress.