Open platforms for discussion are actually one of the
  best ways to prevent something like the Nazi party from
  coming into power.

I used to think that, but my views have become more complicated given allegations like [1]

I agree that public discussion is a powerful tool for changing people's political opinions - but if I think I'm reading a discussion between your peers when I'm actually reading a discussion between two Kremlin trolls, it puts the powerful tool in the hands of people who don't have my best interests in mind.

It's a tough problem to solve - most of the 'obvious' solutions like real name policies I think come with a lot of downsides.

[1] https://motherboard.vice.com/en_us/article/3kvvz3/russian-fa...