Looks almost like the rubber was weathered/dry-rot. Doesn't look like its ripped, it looks more like cracking. Even some of the surface where there are no holes looks dried out and scratched.. Saw an older post where someone had taken steps to wrap the wire loom connection to double protect against water ingress...the rubber dam they put in at the factory looks like someone was frustrated to try to get it on.
Now I need to go open mine up to check the rubber and the bolts...