Disingenuous headlines are a huge problem and are part of "spin" (aka marketing or propaganda effort).
All available research -- plus tons of anecdotal experience on /. or HN or reddit -- shows that people never read the links that are posted, and, if they did click the link, probably won't read 100% of it. Most people share links without reading articles as well.
The headline is what generates the controversy, and should reflect the actual or original content of the piece. I am okay with mods changing headlines to reflect that. I have no doubt this is a SV echo chamber -- but it's a news aggregator run by Y-combinator, what the hell did you expect?
See also: https://www.patheos.com/blogs/nosacredcows/2018/09/study-con...
https://slate.com/technology/2013/06/how-people-read-online-...
https://www.newyorker.com/culture/cultural-comment/why-we-do...
http://thesciencepost.com/study-70-of-facebook-commenters-on...
Comments get rethreaded and killed at the drop of a hat as well. The buried comment was a non-mainstream opinion, so not welcome here. We have a flag on the profile screen to see hidden posts and they are often the best posts that point out when something makes no sense, but just happen to be worded slightly rude to someone else's point of view.
It's definitely not a place for free thought and people voting up discussable viewpoints they don't happen to agree with. You should just take it as a heavily curated slice of SV echochamber that you can examine, but not modify.