Crown Castle not looking at data centres like other infrastructure operators; for now anyway
Crown Castle responded on its earnings call to recent moves by competitors SBA and American Tower in the data centre space.
// added by JK:
// calculate if the user is able to see the pdf or not.
$requiredSubscription = (array)get_post_meta(get_the_ID(),'_required_capabilities', true);
$showPdf = !$requiredSubscription || (class_exists('swishu') && swishu::has_access_to_content(wp_get_single_post($_GET['id']))) || is_user_logged_in();