I think this is harsh criticism. It's because not many people use SO any more.
One of SO's selling points was that outdated answers get replaced with the more modern, better ones - and it worked for many, many years.
> One of SO's selling points was that outdated answers get replaced with the more modern (...)
I don't think this is description is right. What you describe as "outdated answers" are actually answers to apply up to specific releases. Just because a project launches a release that rolls out a new feature that doesn't render the old answers wrong or stale.
... until they decided it was a good idea to train all power users to grief new users off the site.