You can do both. If a plane crashes, you find out the cause. During that evaluation, if you also find that the pilots response to the engine failure was also wrong, you fix that too.
Whenever there is a trend of similar talking points on a hot topic it makes me wonder how much of that is influence from outside groups.
https://news.ycombinator.com/newsguidelines.html
If there's specific reason to believe that comments here are somehow being manipulated, that's different and you should email hn@ycombinator.com so we can look into it. (That's in the site guidelines as well.) But the overwhelming majority of the time, there's zero suggestion of any such thing, other than people disagreeing, which is evidence of nothing but that the topic is divisive.
I've posted hundreds if not thousands of explanations of this over many years at this point: https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme....