Why vs How

Imagine a day when pistols became very common. The problem of increased bullet-wounded deaths become significant.

What is more important to do between these two approaches:
a) To teach people at the earliest age possible and relevant on HOW to properly use pistols.
b) To strenthen the conscience and maturity of people from the earliest age possible on living a life that benefits everyone.

To me, it is obviously the latter.

Now, change "pistol" to "condom/contraceptive method", and "bullet-wounded deaths" to "extra-marrital births".

My answer is still (b). What's yours?