I don't think your parent makes judgement on the value of any political position. Trolls here just refers to people who are shouting without contributing to the discussion.
What they're saying is that once any user has a sufficiently large following the replies to their tweets with any signal are lost in the noise of unrelated political rantings (both sides) and scam bots hoping to take advantage of the exposure that replying to big users has.
These groups both manipulate the rankings. Political ravings are upvoted by the similarly inclined politicals. The bots work in swarms to favourite their own posts and reply with "Wow, worked for me, thanks!"
What they're saying is that once any user has a sufficiently large following the replies to their tweets with any signal are lost in the noise of unrelated political rantings (both sides) and scam bots hoping to take advantage of the exposure that replying to big users has.
These groups both manipulate the rankings. Political ravings are upvoted by the similarly inclined politicals. The bots work in swarms to favourite their own posts and reply with "Wow, worked for me, thanks!"