User blog comment:Jimeee/Hearthfire confirmed as the latest add-on. Official trailer./@comment-69.247.112.20-20120828224920/@comment-173.180.201.88-20120829075730

Bethesda loves checking out Mods for both TES and Fallout. They openly admit this and do it with pride.

The majority of Fallout DLC is mainly inspired by mods. Especially Old world Blues with it's upgradable and developed housing in Big MT.

Fallout:New Vegas also looked at weapon customization mods from Fallout 3, and added it into a system for FO:NV.

You can call it cheap. You can call it unoriginal. I like to see it as a developer that always tries to see what the community wants and what it is trying to make. There is a huge difference between one-four people trying to make a mod in their spare time and a team of paid individuals making a mod.