Eternabond Failure

I have to eat a little crow. A while back someone posted that Eternabond could trap water behind it, thus causing rot or some other issue. I cockily responded with, How could water get behind it? Well I found probably half a cup of water trapped behind Eternabond tape wrapped around my fridge vent. As I kept searching, I found that a good amount of the tape had dried out and literally rotted away. In the attached photo, you can see where I used left over tape to secure solar cable to the roof. Look how it cracked open. If you look close, you can see tiny cracks all over it. Yeah, it's a mess too. :B