So my observation comes from the fact that UTM webpage: https://getutm.app/faq/#what-are-the-limitations https://getutm.app/faq/#what-are-the-limitations. Now

So my observation comes from the fact that UTM webpage: https://getutm.app/faq/#what-are-the-limitations https://getutm.app/faq/#what-are-the-limitations. Now this webpage may be out-of-date, so take my claims with a grain of salt.