Submodule JS is always altered - even if service is disabled

@dalberthab do I get you right, that you're suggesting a change to the server-side code?
If yes - that won't work due to caching. All logic needs to be client-side.

I made the same request some years ago, until I understood, why it wouldn't be correct. Still you can check and react to consent in JS. That's the only correct way.

If you're reporting a bug in the JS code, please feel free to reopen and post a MR for a fix.

@Anybody I tried some hot code to test my suggested change (new to drupal)

function cookies_matomo_page_attachments(&$page) {
  $doKo = CookiesKnockOutService::getInstance()->doKnockOut();
  if ($doKo && isset($page["#attached"]["html_head"])) {

to

function cookies_matomo_page_attachments(&$page) {
  $doKo = CookiesKnockOutService::getInstance()->doKnockOut();
  $service = \Drupal::entityTypeManager()->getStorage('cookies_service')->load('matomo');
  if ($doKo && $service->status() && $service->getConsentRequired() && isset($page["#attached"]["html_head"])) {

and the script type is not altered.