They're voicing their position in writing. There's no way to make that "neutral" unless they have a neutral position. Of course someone on the left is going to write like they're on the left. Likewise, someone on the right is going to write like they're on the right. There's no incentive for people to take the time to neuter their writing just because you disagree with how they stated things. It's not impossible that this is a "black and white" kind of thing in their mind, right?