In my judgement, one of the primary advantages of higher sampling rates is not the ability to capture higher frequencies per se, but to be able to use gentler filters around the Nyquist frequency to avoid the aliasing (distortion) which occurs below the NyQuist frequency when brickwall filters are used, such as with a 44.1kHz sampling rate to maintain a frequency response extending to 20kHz. Indeed, the audible differences among DACs can largely be attributed to differing filter implementations.

561, DSP5500s, DSP5000C, analog sides and rears