Squad does a pretty good job supporting mods and modders. Bethesda just released the Creation Tool their developers use so that modders can mod Fallout 4. Awesome!
Fallout 4 Creation Tool
Companies, such as Squad, Bethesda, and others recognize that keeping their game current keeps it relevant via modding. Relevancy translates to sales and extended game life. An extended game life means the player will most likely buy the next iteration and recommend it to their friends to do so.