I heard what you said, but I just don't give a shit. "Your concern is noted" is the perfect phrase for casually dismissing an opinion you disagree with. It demonstrates a lack of concern by displaying an obvious pretense of actually caring. The phrase is reminiscent of the corporate-speak companies use when accepting suggestions that they will no doubt ignore.

Short for ultimate bias. Typically used by fangirls and fanboys to describe their favourite celebrity amongst the many that they are fans of.