Do all these cells and control planes run different software built by different teams? I mean, sure every Ford Pinto is strictly it's own vehicle, but each wil

Do all these cells and control planes run different software built by different teams? I mean, sure every Ford Pinto is strictly it's own vehicle, but each will predictably burst into flames when you impinge its fuel tank and I don't wanna travel on a company operating an all Pinto fleet.