The obvious approach will earn you substantially more money but it is more difficult.
If you choose the obvious approach you have to use all the avalable crew so you don’t get a choice about who you bring along.
If you choose the subtle approach and choose the worse two gunmen you will lose a lot of money because you won’t have enough time to load cars.
You will have to take both the available drivers, but be sure to take the better driver first as it will make driving the cars into the trucks much easier.
The different hackers will make changing the traffic lights easier. The worse hackers will introduce lag into changing the traffic lights, but it is still easy to handle.