So why would we miners buy this? makes no sense

P102-100 50 mhs @250w per card  if price is $700 +

vs.

2x rx570 27 mhs @ 125w per card  $360 in us (newegg)

i dont see any performance gain in this performance or power wise

look at the pictures on one of the BABA vendors
https://www.alibaba.com/product-detail/2018-New-Model-High-Hashrate-8pcs_60742041048.html?spm=a2700.7724838.2017115.1.5ff73632rlbU4G