Joomla! 4.x Coding • Am I doing something stupid?

Code:

namespace Acme\Component\Example\Administrator\Model;use Joomla\CMS\MVC\Model\ListModel;class FlowsModel extends ListModel{       public function copyflows($ids)    {           return 'success';    }}

Code:

namespace Acme\Component\Example\Administrator\Controller;use Joomla\CMS\MVC\Controller\AdminController;class FlowsController extends AdminController{    public function copyflows()    {           // Get the input        $pks = $this->input->post->get('cid', array(), 'array');        $pks = ArrayHelper::toInteger($pks);        // Get the model        $model = $this->getModel('Flows', 'Administrator');        // Check if the model exists and call the copyflows method        if ($model)            $msg = $model->copyflows($pks);         else            $msg = 'Model not found';// <<<<< THIS MESSAGE IS DISPLAYED        Factory::getApplication()->enqueueMessage($msg, 'notice');        $this->setRedirect(Route::_('index.php?option=com_example&view=flows', false));    }}