I'm not sure it is. Twitter is short form by design. Most issues are complex. I would suggest that short form dissertation on complex issues is pointless at best and more often than not simply stokes conflict.
Have Twitter (and Facebook) provided valuable information to the world? Sure. Have they also harmed democracies? I think it's fairly obvious they have.
The quality of conversation on facebook is not higher than twitter, just more verbose. Twitter’s short form is not the cause for its deficiencies, the low threshold for reaching a wide audience is.
Have Twitter (and Facebook) provided valuable information to the world? Sure. Have they also harmed democracies? I think it's fairly obvious they have.
Oh shoot, turns out it's a complex issue...