So what am I or you supposed to do in this case?

It's not Bitmain's fault that it can design and manufacture high efficiency mining machines.
It's not Bitmain's customers fault that they desire to buy said mining machines.

Oh, they've been mining for a few months with these machines and then they decided to sell them to the public now.
So what? Can't really sue them for it can you. It's just their strategy.

The system was flawed from the beginning, since they were allowed to centralize bitcoin with their asics, and now all we can do is bitch and moan about it.
This really pisses me off