Define "bluffing".
If you are just blindly blasting away, with no
equity when called (like very low chance you improve), then you are probably punting off chips left and right.
The game is so dynamic, and complex, there are so many variables, we need to be able to figure out what to do on the fly.
If we have equity though, semi bluffing, at least if we are called, we have cards that can make powerful hands in the deck. This makes you harder to play against, because your opponent will not be able to tell if you have a draw, or a made hand. Balanced.
But still, the choice when and where to bluff, not bluff, should be based on a bunch of different factors. Who are you trying to bluff. Stack sizes. How many players in the pot. Your image. Your hand. What you think they have.
With practice and hard work, you will be able to decide the best course of action in real time, based on game dynamics.