>happens to limit messages to 140 characters and that happens to create, unintentionally, a subtlety-free indignation machine, which is addictive as heck, so this is the one that survives and thrives and becomes a huge new engine of polarization and anger.

I am glad to see someone definitely smarter than me find this opinion too. As far as I can tell the only value in twitter is network effects and the total removal of nuance.