Rich, quite the opposite in fact... Battleships became so valuable and so important they were afraid to put them in harm's way. This is true of most of the navies that had such ships, including the UK as well. Such a mystique was built up about these super weapons, so much emphasis was made on producing them, limiting them (treaties limiting tonnage, etc), and overall preventing others from making them, that in the end they were too valuable to even use.
Naturally all this changed over time, but for the most part I think it holds true throughout the war.
Yes, carrier power proved to be much more important, but only because they had no fear of losing them (and losing control over the seas in the process). Imagine what role the carrier would have played if the battleships were there everywhere taking the fight to the enemy every time? Without the power vacuum created by holding back the BBs, would CVs really have shone as brightly?