Custom db tables to use prefix

Any reason why the custom db tables that the plugin uses, do not use the WP prefix defined in the site wp-config.php file?

cerber_acl
cerber_blocks
cerber_countries
cerber_lab
cerber_lab_ip
cerber_lab_net
cerber_log
cerber_traffic

https://codex.wordpress.org/Creating_Tables_with_Plugins#Database_Table_Prefix

• This topic was modified 7 years, 11 months ago by Luke Cavanagh. Reason: clarify wording