[igravious]

bit of history here: https://www.theregister.co.uk/2018/05/08/cavium_thunderx2/

First Broadcom, now Qualcomm – if neither of those two can't crack the server market I don't hold out much hope for anyone else.

[baybal2]

I's say that nobody really tried hard enough. All of them can make a true killer product. And Intel has little defence against defeat in details, other than "being Intel." Many, many niches are not being hold tight by Intel, and they can't spare resources to fight them all.