Sony and Bethesda weren’t seeing eye to eye on mods and it was hurting the game buying public. The Xbox One enjoyed over 4000 mods (at the time of writing). It wasn’t just a token gesture either, with new assets being addable to the console versions to allow for some proper mods that completely change the look of the game or add new objects.
When Bethesda announced that mod support was coming to Fallout 4 on consoles as well as PC it seemed as though a new world was going to open up to those of us who prefer not to dabble with PC gaming.