bethesda runs early access on completely new games and modding tools?
I think the point is that Bethesda historically made Construction Set available at the game's outset so that modders could set to work immediately; though more recent releases have seen increasing delays on getting mod support out there, with user-made tools often being the first on the scene. Although Larian has some very talented modders, they just aren't there in the same numbers to realistically do the same thing.
