It's a reality of our world that if you don't comply with court orders, the court will make you comply by using force. I'm no fan of that, but that's something neither me nor any mail provider can prevent.

Also, any business has an interest in not making the cops bash in your doors on the regular; you lose any ability to make the courts side with you when you try to get better outcomes for your costumers if you are known to not comply.