I consider the noise to be a symptom; a policy that directly cuts the noise out is treating a symptom not the problem.
So yes, I am advocating for getting rid of the noise, but not directly, rather by introducing systemic changes that make the noise no longer necessary.
You say that “the volume of comments (especially unhelpful ones) makes it far harder to scale” – I’m arguing that scaling involves a holistic solution that makes these comments unnecessary – you’ve got cause and effect mixed up.