But a review process can make it both harder to change and more correct. A delay in impacting the official version makes it harder for people to vandalize.

We do this in software all the time.

In software if there's a critical bug sometimes we accelerate a fix. We can have a process like that for "wrong information". But you'd think most articles about established topics should not see a lot of churn. Yes- Sometimes they find a new fossil that calls some preexisting science into question, but these are relatively rare events and we can deal with that e.g. by putting a note on the relevant topic while the new article gets worked on.