The backlash would be expressed elsewhere, here at least it's in a place they cannot afford to ignore.
Their actions going forward, e.g. if they purge the posting with the links to competitors, will tell us a lot about them and how they're going to deal with this.
Also note this could be part of an internal faction fight, one faction who's against this move may have wanted this so that they can show this immediate and detailed feedback from current customers to those in the company who put this in place.
In general, I find most "supress information and communications" strategies to not work well, and this is ever more true the more we build our communications infrastructures.
"The truth is out there" and pretending otherwise is likely to be futile.