Wordpress is abundantly complicated and requires mysql, but so does drupal. Mysql does not scale well for traffic load and has shown to be an absolute favorite target of the darker side for nefarious things.
You should take a look at GetSimple CMS. Same principle as Wordpress - but super easy to use. Does not require Mysql ( Uses flat file data storage. ) and is very robust in features and security.
You can literally get a website up and running in minutes using GetSimple.