Earlier quoted context omitted.
It's certainly not Twitter's fault. Lately, the open source community's underbelly has been exposed. "But open source is right and we are the good guys?!", or... "But I know those guys and they are usually really cool!" We want to categorize people as being bad or good, and it messes with our brain when we think we may have to re-categorize. It's more useful to realize that we all have a capacity to do both good and…
Yes, it's partially Twitter's fault. Enforced brevity in a popularity contest setting encourages smartassery and discourages (or makes impossible) nuanced expression.
If one feels that 140 characters isn't sufficient to correctly represent one's nuanced thoughts, then don't tweet.