Originally Posted by
Borror0
Why it's not a replacement?
First, because it wasn't. To believe S&B now is a replacement, you've got to assume that Turbine changed their definition of the fighting style and you've got to tell yourself that "It's obvious that Turbine told themselves that S&B should stop being used as a decent way to fight and rather be used by those who lack the gear or stats to be TWF." as well as thinking that "It's obvious that Turbine really wants to reduce the number of possible viable builds in-game as they really want to get less out of their investments to a point where they are going to invest developing time reducing the build options into making it less attractive to play. As a result, they have now made S&B really unattractive to spec for as they now believe it should be seldom used." I very doubt that you are thinking that, because of how unlikely it is that Turbine would make such irrational conclusions!
Then, because it's desirable to have more fighting styles in-game. The more options there are, the better it is. Ask around and you will see that character customization is one of the stronger selling points of this game. People love it. That is the biggest strength of 3,5 D&D and it is also something that players enjoy. Being able to choose between TwF, ThF and S&B is a good thing. It's way better than choosing between TWF and THF... and having S&B if you lack "gear or stats to be TWF".
Lastly, because THF does a better job at being good without requiring spec'ing into it.