Then he got annoyed at tech news being bad, and came to the opposite conclusion. That all the negative tech news must be correct, and that they have the agency to change it.
But the reality is the opposite. Just like for general news, tech newd has a bias for the negative, and the reality is a lot better than you'd think if you just take the HN frontpage at face value.
The scenarios that motivate the author are so improbable that they border on absurd. And if they were to happen, the plan of writing your own browser wouldn't help anyway, or at least would not be anywhere near the best way of addressing it.
Want to write your own browser as a hobby? Great, go for it! But the justification isn't even internally confident.