In cases like that, someone needs to hack the WordPress theme or plugin to make it nulled. After that, the theme or plugin is ready for distribution, and it can be used with all features enabled, without entering any license key.
Hackers also have their reasons to keep the supply high with as many nulled WordPress themes and plugins as possible. The main reasons are money and access to data, such as emails, credit cards, and whatnot. 2b1af7f3a8