Certainly not stupid. In fact it is one of the most overlooked way to keep your site fresh and well optimized. While building quality links is the best way, but I have also observed that updating your posts frequently helps bring good amount of traffic.Many will call my comment silly or even stupid.
Curious to hear from you. wishes for the success.I made a strategy a few months ago. When it is fully implemented, I will let you know. It's currently working.