ADT burglar alarm stayed silent while I was being robbed

The thief passed the sensor but it apparently was on a ‘pet sensitive’ settingI was burgled recently and lost my laptop and PlayStation. My home alarm was on and in working condition (confirmed by ADT), but it didn’t activate despite burglars passing a sensor. I have since found out that this was because my alarm sensor was set up to be “pet sensitive”. I have no pets and ticked this on the contract. We did a test and my 6ft husband could move past the sensor uprigh