Disclaimer: I work in the Q&A team at Stack Overflow. What people don't understand is that SO serves literally all developers. No matter what choices we make there will be upset people. Do we reduce moderation? Help vampires take over. Do we keep moderation as is? People complain we are too strict (or not enough). Do we allow only English? We are elitist. Do we allow SO in other languages? We are fragmenting the comm…
You could at the very least make it your mission statement to provide correct answers, and remind all of your moderators of this, instead of having them maintain the "spirit of the poster" on answers that are wrong and on locked questions.
There is no mechanism for removal of incorrect answers other than the person being too embarrassed having it still visible and deleting it.
One has to hope that the best and correct answers get up voted.