He demonstrated 1 thing that many need to be aware of - electronics can fail. Carry and know how to use a compass and map.
The other thing people need to be aware of is, if they tell someone they'll be checking in frequently or on a given date and they don't check in, search and rescue will be activated and will be looking for them.
In other words, you don't fail to check in and just go on your merry way.
