I think many silly women turn this into a "feminist" issue, just to cause a fuss.

Who? When? I have NEVER seen or heard of this happening. You mean many "silly" women have a baby just so they can cause a fuss over feeding in public?

I have on the other hand, heard of others choosing to turn this into an "issue, just to cause a fuss", when the mum quietly feeding her baby was nothing whatever to do with them.

And that makes me very angry.

So it should. But I should like to point out, lest it be overlooked, that the perpetrator of the post you quite rightly take exception to (as do I) is Akenaton. A man who is well-known here for his illiberal (aka homophobic) views on gay people and on gay marriage and on anything else, it appears, that impinges on bodies and sex and caring properly for infants. Very, very nasty.