I own a calibration tool too, but I prefer the way the screen looks uncalibrated, so I leave it uncalibrated. Rounded to the nearest percent, 0% of users have

I own a calibration tool too, but I prefer the way the screen looks uncalibrated, so I leave it uncalibrated. Rounded to the nearest percent, 0% of users have calibration tools, nor are they running their monitor in a meaningfully calibrated state from the factory. It's all running at higher brightness and saturation because that's what users think looks better. If most users are running super-saturated and super-bright, and color matching to what those users are seeing is important, it would be better to use that as the baseline instead of a calibrated monitor.