Hi fmelin,
Thank you for your purchase.

Unfortunately something like this is not possible with built-in functionalities. Columns can be hidden from table settings or with custom function but it is not possible to hide them via URL.

Hi fmelin,

You can hide it with JavaScript like this:

<script>
jQuery( window ).load(function() {
wpDataTables.table_1.api().columns(0).visible(false)
});
</script>

Where columns(0) is first column in the table.

Or with PHP like my colleague wrote you in your last ticket:

In file functions.php add this code

function test_func($jsDef, $columnHeader) {
    if ($jsDef->origHeader =="OrignalColumnName") {
        $jsDef->bVisible = false;
    }
    return $jsDef;
}
add_filter('wpdatatables_filter_column_js_definition','test_func',10,2);

Where "Original ColumnName" is the name of your column that you want to hide.