[dragonwriter]

> Free speech and transparency are ideals, not just laws

Yes, and the ideal is that individuals will be free to express themselves both by creating content and in choosing whether and how to distribute content, whether their own creation or others.

> On a more pragmatic level, if they're standing in the way of political speech by elected politicians without transparency, those politicians will eventually decide to legislate against Twitter.

That retaliation, unlike Twitter's action, would violate both the ideal and the Constitutional law of free speech.