Coders are a fun bunch typically, in that more often than not they see something like this, a corporate cash grab, and they go underground rather than sell out. Pretty sure most of the truly talented mod makers will keep their stuff far away from this system. Also, whenever an actually pertinent mod, like CBBE, Place Everywhere, Scrap Everything or something like that, moves on over to the sellout side, there'll be someone waiting to replace that mod with a free (with donations) of their own.
Look at Kinggath, for example. He's revolutionizing the settlement system in Fallout 4 singlehandedly, and quite a few people are already making addons to his mods. There are some truly talented people out there, still active in the modding scene, both for Skyrim and Fallout 4.
Bethesda would have to take a razorwire-covered baseball bat and smash the head of the modding scene in for there to be any true changes to it.