Over a year ago, a story ID request was asked, about a lone man manning some sort of space station. I answered it, and even though my guess wasn't the actual story the querant was looking ...
I just ran into a question which has an answer that is:
100% canonically wrong (as in, its conclusion is directly fully contradicted by canon)
But it's old, has 25 upvotes, and is accepted
(and the ...
I just posted an answer where:
The question is 3 year old
The main accepted answer has 30+ upvotes
However, the answer was heavily (50% to 100%) invalidated canonically by EU material published after ...