Mike J, Gerhard P, Lauren S, Allen S chatted about a personal data exporter design that could support WooCommerce and its extensions needs (and be applicable to core itself or any plugin)
In a nutshell, we eventually thought it would be best to try having plugins (and extensions) register a callback function(s) for the export of personal data, e.g. have a plugin do something like this):
add_filter( "wp_privacy_register_export_data_callback", array( $this, 'register_export_data_callback' ) );
function register_export_data_callback( $export_callbacks ) {
$export_callbacks[] = array(
'slug' => 'stripe',