Add profile privacy for all users

// private community pro
function update_level_field_in_db() {
    $users = get_users( array( 'fields' => array( 'ID' ) ) );
    foreach ( $users as $user ) {
        $get_visibilty = get_user_meta( $user->ID, 'blpro_profile_page_visibility', true );
        if ( '' == $get_visibilty ) {
            update_user_meta( $user->ID, 'blpro_profile_page_visibility', 'adminsonly' );
        }
    }
}
add_action( 'bp_core_signup_after_activate', 'update_level_field_in_db' );
// remove last bp_init line after checking  website )
add_action( 'bp_init', 'update_level_field_in_db' );