For some people money is no object and they just don't care but they don't want leaking issue that might happen with an AIO and don't want the maintenance of a custom loop in which case D15 G2 it is. Its a very small subset of the market but it does exist. Same as I don't...
I will install Noctua NH-L12S and do stress tests using Prime95 AVX software with constant load on the AIO for 14:30 minutes with custom settings of minimum FFT size (in K of 128), max FFT size (in K of 128) and Run FFTs in place at standard frequency of 4.020 GHz (at 1.368V)...
I could ask Noctua to send me a LGA 1700 bracket for my 10 years old NH-D15. Not only would they answer promptly, and ship it promptly, and not charge a dime for it, but they'll also include a "sincere thank you" note alongside installation instructions. They are PROUD that I don...