Why not do this simpler and ask the Larians if you can use the editors, sign some documents, including NDA and to make sure that they are not responsible for what you make or break and maybe spend a day or two in their studio for a quick course on how to use it.
In that way those who are really interested get a chance to make a mod and we all know that the lifetime of a game is increased big time when mods are being made for it.
