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Sure, here’s a simpler interpretation of it. The GA4 tag isn’t visible because it’s made really straightforward to connect Firebase data to GA4. This way, developers don’t need to reimplement their app analytics. So essentially, when people implement app tracking for GA4, they’re actually linking Firebase to GA4.
Interestingly, GA4 has adopted the entire data structure from Firebase, which means Firebase data fits into GA4 tables seamlessly. The superior user interface and data export capabilities are some of the major reasons many prefer GA4.
So, in terms of modifying anything in your GTM or Firebase SDK, there’s really not much to do. You can handle everything needed in your Firebase user interface.
One quick thing to note: using a Mobile GTM usually complicates things, and that’s why many have opted not to implement it at all.
