When using Web Assets basic method like this:

$wa = Factory::getApplication()->getDocument()->getWebAssetManager();
$wa->registerScript('bar', 'com_example/bar.js', [], ['defer' => true], ['core']);
// And use it later
$wa->useScript('bar');

I noticed that I couldn't really control the position of js scripts (or css files) in the listing deployed in head when displaying page.
Sometimes, it could be necessary, eg when I want my css file to load AFTER template.min.css

With HTMLHelper, js scripts and css files are (almost) always positioned by the end of the listing, as I wish.

HTMLHelper::_('script', ...

or

HTMLHelper::_('stylesheet',...

Do I miss something somewhere ?

Other question, related:
Is it mandatory to create a joomla.asset.json file in media/myfiles when I just want to add some js or css to an existing extension?