There is a difference.
There's a vast gap between freedom of speech and not being accountable for what you say. Yes, you can utter whatever nonsense that comes into your head, but if that turns out to be aimed at driving idiots to clearly demonstrate that they're idiots you should expect consequences.
That is as true for encouraging a suicide as stoking up white non-supremacists*
* No, I don't consider them a superior part of the human race, I think they're the inevitable result of white inbreeding.