A user recently pointed out a few questions with incredibly bad accepted answers on our site's meta asking us if there is anything we can do about it. I'm aware that users can delete answers if they have a sufficiently high reputation but I don't know if this privilege applies to accepted answers as well.
The answer to this question is "yes".
The question here used to have an accepted answer consisting entirely of the text
INCORRECT ANSWER REMOVED (if the OP unaccepts it, I'll delete it)
but this has now been successfully deleted by three 20K+ users.