If "there is never total consensus," then you will never "reach consensus." That's just the way life is. Especially when no one even agrees on what "consensus" means 
You can blame the disruptors for this. Bitcoin was fine before the block size debate and nothing has changed since.Should I also blame the guy who finds a bug in beta software for "ruining it for everyone"? Because this is exactly what's going on -- Bitcoin, a great social experiment, is in beta (Core's current ver. is 0.12.0). We should *thank* people exposing obvious & fundamental flaws.
If these "disruptors" succeed in disrupting the disruptive technology that is our beetcoin, kudos to them
Stop this Red vs. Blue silliness.