At the point you have decided to take the gun apart, you need to start by making sure it is unloaded.
Again, if one is unwilling to engage the safety located between their ears, it is unlikely they will correctly use any other mechanical safety.
Why would you design a gun which necessitates the pulling of the trigger for anything other than shooting? It makes absolutely no sense to me.
If you sell 1 million guns, guaranteed that statistically 20 or so will take down the gun negligently.
It is a design looking for trouble.
Only someone who knowlingly ignores some of the 4 rules could be in favor of it.