function genesis_user_meta_default_on( $value, $user_id ) {

  // If a real value exists, simply return it.
  if ( $value ) {
    return $value;
  }

  // Get the name of the field by removing the prefix from the active filter.
  $field = str_replace( 'get_the_author_', '', current_filter() );

  // Setup user data.
  if ( ! $user_id ) {
    global $authordata;
  } else {
    // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited -- same pattern used in` get_the_author_meta()
    $authordata = get_userdata( $user_id );
  }

  // Just in case.
  $user_field = "user_$field";
  if ( isset( $authordata->$user_field ) ) {
    return $authordata->user_field;
  }

  // If an empty or false value exists, return it.
  if ( isset( $authordata->$field ) ) {
    return $value;
  }

  // If all that fails, default to true.
  return 1;

}