Hello JaimeMoA,
I totally agree with you. This is a problem for the Tracking Spesalist. Yo can use
DataLayer Checker Plus (https://chromewebstore.google.com/detail/datalayer-checker-plus/blglfmihmnbhfgfbomofeljmididgfhe?pli=1) a crome extention to see the data layer. I hope it will help you.
You can see the using process here: https://youtu.be/eS7KmiqQ5Rg
Best Regards.
teapantoor