That's just simply not true, and I wouldn't recommend spreading false information.
It's just the randomness of D3 server "efficiency and stability".
My ping has been steady at around 25-32ms and I run the following specs:
16 GB DDR4
The game is run on a Samsung 850 Pro.
I still get these small "lags" here and there. It's been happening since release - people stating that they aren't seeing it, have simply gotten used to it and don't notice it anymore (I don't mean that in a bad way at all - I wish I could ignore it, despite it only happening once or twice per hour or something).
I'm in Alaska, and my ping is usually 110. In the vast, overwhelming majority of play I receive zero lag. I haven't 'gotten used to it', it's non existent.