Contextually, the person is arguing that being called a russian troll / bot is reducing the quality of discussion and is also shutting up alternative viewpoints

Contextually, the person is arguing that being called a russian troll / bot is reducing the quality of discussion and is also shutting up alternative viewpoints. The "freedom of speech" comment is merely a vent, and such generalizations is rarely fact... just like "A foreign concept in contemporary Russia" is a vent and generalization as well.