If ever there was a mod that improved engine performance, then I'd have a much different opinion on the modding community... however in all my years of gaming I've never seen such a thing on a Elder Scrolls game...
So, not been around long then?
Lets see... OBSE: Adds more scripting functions than the original Construction Set. MGE upgrades the entire Morrowind graphics engine to use modern DirectX shaders and HDR lighting effects. Large address patch enables game engine to make use of modern PC's resources... OSR reduces Oblivion engine buffer issues resulting in stutter, and optionally replaces the memory heap, among other things. The list is quite extensive, actually.
Just something to think about:
"In the absence of competition, the supplier usually restricts output and increases price in order to maximize profits."
"Most believe that, with few exceptions, the system just doesn't work when there is only one provider of a good or service because there is no incentive to improve it to meet the demands of consumers."
http://www.answers.com/topic/monopoly-1
The irony is, the creation engines Bethesda pioneers is a step in the right direction to "paying it forward" and "spreading the wealth."
Facilitating follow through is where it's easier to leave it pro-bono. Problem with that is, especially in a crap economy, it tends over time to remove incentive to contribute more expansive or ambitious modding endeavors. The industry apparently relying on modders to "take up the slack" not only lowers incentive but consumer confidence as well.
Not to say I don't appreciate Bethesda for all the art it offers. I just think John Travolta's character from Swordfish might have some suggestions about pushing the envelope. Of course if profit is to be the only goal, as is the common "easy way out" for modern baby capitalists, then we need not give thought to such things as sustainability of market diversity, seeding future opportunity, or other such esoteric concepts.
"I make money good" seems to work for most folk. /sigh