Are you allowed to pitch the baseball along the ground, therefore making it impossible to properly hit with the bat? It's no different in cricket really.
I think they meant in terms of karma/reputation for the individual, and the project. Traditionally open source is heavily based on these social currencies.
Reading a register from a microcontroller peripheral may well reset it as an example of a possible side-effect here, and that's exactly the kind of thing you use volatile for.
I kind of have the opposite experience, and really only use maps to find streets within the city limits. The country is easy to navigate with the road signs you see along the way, and it's more enjoyable to navigate that way than following a nagging app.
We might be kind of lucky in New Zealand with the yellow AA signposts at every intersection in the country telling you the nearest towns/communities and their distances in every direction.
You do get an audible "DUAL INPUT DUAL INPUT" warning and some lights though [1]. It is never allowable to make sidestick inputs unless you are the single designated "pilot flying", but people can sometimes break down under stress of course.
The 777 and 787 before it are true fly-by-wire designs like the Airbus in question here; the 737 MAX isn't and never was. It just had a computer that was supposed to add artificial inputs under a very specific condition, so it could continue to fly like the older models under the same type certificate and not require extra pilot training. It turns out that the condition could be triggered erroneously, and the logic to determine the artificial inputs was deeply flawed.
That's applicable for one specific model of ADIRU (basically determines where the aircraft is in 3d space in terms of position, rotation, velocities, and accelerations) from a single manufacturer (Litton). These aircraft have dozens of computers for different functions, many of them with multiple manufacturer options. There are at least 4 different ADIRU makers that airlines have been able to specify at different times including the Litton.
The ELACs (controlling the elevator and aileron actuators according to the demands computed by other functions) are made by Thales specifically for this aircraft type and probably have a quite different design.