Quick+dirty no iCal link on ajax workaround

add_filter('tribe_events_after_footer', 'add_ical_link_for_ajax_requests', 10, 1);

function add_ical_link_for_ajax_requests( $content ) {
    global $wp_query;

    if ( ! (defined( 'DOING_AJAX' ) && DOING_AJAX) ) return $content;

    if ( is_single() ) return $content;

    $tec = TribeEvents::instance();

    $view = $tec->displaying;
    if ( defined( 'DOING_AJAX' ) && DOING_AJAX && isset( $wp_query->query_vars['eventDisplay'] ) )
        $view = $wp_query->query_vars['eventDisplay'];

    switch ( strtolower( $view ) ) {

        case 'month':
            $modifier = __( "Month's Events", "tribe-events-calendar-pro" );
            break;
        case 'week':
            $modifier = __( "Week's Events", "tribe-events-calendar-pro" );
            break;
        case 'day':
            $modifier = __( "Day's Events", "tribe-events-calendar-pro" );
            break;
        default:
            $modifier = __( "Listed Events", "tribe-events-calendar-pro" );
            break;
    }

    $ical    = '<a class="tribe-events-ical tribe-events-button" title="' . __( 'Import is filter/view sensitive', 'tribe-events-calendar-pro' ) . '" href="' . tribe_get_ical_link() . '">+ ' . __( 'iCal Import', 'tribe-events-calendar-pro' ) . ' ' . $modifier . '</a>';
    echo $ical;

    return $content;
}