It's not just the frequency of the changes, but also choosing something really bad each time.
Silver is not the color of royalty, its the color of Reno. Black is for ninjas, priests and morticians.
Purple and gold are the colors of royalty, and also look really good together so lets all agree thats what the main color scheme should be.
The crown depicted in many Kings' logos looks like something a cute little princess from a magical kingdom might desire. Let's design a crown that a King might actually wear. Construct it from golden hockey sticks, intertwined with two Stanley Cups.
There is just a ton of low-hanging fruit for the Kings uniform, a little thought and creativity in the world's greatest city for costume design, graphic design and show business should result in something spectacular, and worthy of the team name.