Although this is misplaced, I'll reply anyway.

There isn't more buzz around the Stratix 10 MX because it's a phantom chip. Intel's December press release clearly states that the chips are available but you can not buy one of these chips today. A blogger did some research and came to the conclusion that the press release claims were simply not true:

https://semiaccurate.com/2017/12/19/intels-claims-fpgas-hbm-...

In contrast, Xilinx released a video of their competing chip working with all channels running at the full 460GB/s on day 1 of silicon bring up:

https://www.xilinx.com/video/fpga/first-virtex-ultrascale-pl...