A little recondite, but instructive: the Hugo Awards and SFWA are the latest (if minor) institutions to have succumbed to the left's jackbooted tolerance enforcers. The issues have risen to the attention of USA Today, so it's newsworthy instead of merely nerdworthy.
Larry "Monster Hunter" Correia explains part of the problem (the Hugos) in a link within the USA Today column.
Then there's just the general stupidity of demanding that one simply must incorporate PC tropes in one's speculative fiction.
Finally, Sarah Hoyt (not exactly a charter member of the Vast Right-Wing Conspiracy herself) and John C. Wright both lower the boom.
The Left: You'll Have Their Worldview and Like It, H8R!™