The Republicans in this Congress seem far more involved in obstructing anything useful happening than in past Congresses, though. May just be perception.
Sometimes obstruction is useful. Lets not forget that this technique was heavily used during the Bush administration as well.
The people that were mad about it then are not now. The people that are mad about it now were not then.
In reality its part of our governmental process. Sometimes getting nothing at all done is better than doing the wrong thing.