>If one door falls of the aircraft, it's most likely a service tech didn't do the job properly

More or less what both Boeings predecessor and the FAA took away last time such a thing occurred. Crew didnt close the door properly and a warning sign was installed.

https://en.wikipedia.org/wiki/American_Airlines_Flight_96

>Injuries 11 (2 crew, 9 passengers)[1]

>That'd require much more fallen doors.

That happened last time that happened

https://en.wikipedia.org/wiki/Turkish_Airlines_Flight_981

>Fatalities 346

I think its fair to argue you dont have a very sensible perspective here. We tried the approach you proposed in the past and it didnt work.