EDIT: The subreddit is now back. Making it private was not related to the Steam release, but because some people decided to harass the mods of the subreddit, including even hacking and deleting one of their profiles. What’s wrong with some people?
The backlash has been a result of several factors, such as the high price for a year old game, their handling of the VR port and the implementation of the Elusive Target Arcade mode.