The MSM is absolutely, 100% controlled by third-wave tumblr-feminists at the editorial position and above. These people censor ANYTHING which is critical of feminism, at all. They consider dissent to be "hate speech" and do all in their power to purge it.

This is not just the comment sections, which generally become graveyards, this goes to experienced columnists and editorialists.

For reference, here's an article and video detailing the censorship an experienced MSM writer went through when offering relatively mild criticism of feminism's vilification of men and boys. (She is one of few practitioner's of C.H. Somers' brand of 'feminism')

http://www.avoiceformen.com/feminism/feminist-media-censorship-puts-public-safety-at-risk-by-laurie-a-couture/

There are other documented cases, like the time magazine december 2014 "words to ban" poll which was suddenly censored when the word "feminist" got 50% of the vote out of a dozen candidates.

Also, any article which becomes an embarrassment to feminists later generally goes down the memory hole, such as articles blasting feminist law professor Elizabeth Sheehy's book as both advocacy and guide to wholesale execution of husbands. At the time this was happening there were about 6-7 articles, now there's one, if you dig far enough.