Bethesda has a reputation for creating compelling worlds that could greatly benefit from user-created additions, which often seek to resolve unaddressed bugs or improve on what's already there. Mod support is one of the best features in the console release of the game, for good reason.
Unfortunately, few PS4 titles allow you to do that, but that's not the case when it comes to Fallout 4. Nothing makes a game better than installing some fun mods.