I removed this for consistency.  The $addVideos section below also requires that the table exists but we don't check $tableExists.  The reason neither of these have to care is line 110 above:

    if ( ( $removeVideos || $addVideos ) && !$tableExists ) {
        $createTable = true;
    }

The only problem with this was that we weren't checking whether the createTableVideoInfo call succeeded which is why I made the change on line 131:

    if ( !$video->createTableVideoInfo() ) {
        die("Unable to create the video_info table");
    }