The explosion comes from the fact that there are people in the industry defending this poorly. The hatemail towards them didn't help, either. You can't have synthesis without an antithesis to oppose your thesis.
I choose to blame the increasing lack of respect for the consumer that's getting prevalent in this new generation of creators. Maybe its a negative trend that has spawned from our culture that has made the creators feel like they can just marginalize the consumer. Maybe it's because they have been exposed to one-too-many assholes on the internet, and thus they felt like consumers as a whole are not worthy of respect.
Personally, I believe that Twitter is the Achilles' heel for content creators. For some reason, most likely the character limit and how easy it is to lose context, Twitter just brings out the worst in people. I think it's best that content creators turn towards an alternative form of social media, or just stay off entirely with the exception of announcements. It's hard for a human being to take feedback when most people have a difficult time swallowing criticism, and it gets even harder when it's multiplied and oversimplified.