Is the Access Ultra hub a flawed product?

I’m debating installing Access in my house, and I think the Ultra might be a great solution. Run one wire from your networking closet to the door, and then a wire from the door to the lock on the other side. Seems really simple.

The thing is, as I’m thinking about this, it seems really easy to defeat. Just rip this thing right out of the drywall and use a 12v battery to power the lock and open it. Yes, I know it has a tamper alarm, but aside from some noise (which stops once I put a piece of tape over the switch) and a notification to the admin, no big deal.

Am I wrong here? Is there something else that’s stopping such an easy attack?