Many that live deserve death. And some that die deserve life. Can you give it to them? Then do not be too eager to deal out death in judgement.

Murder as punishment? Bad.

Killing someone who has killed before, who is known to commit more murders, to prevent them from committing more murders? Generally bad, too, unless the system is totally broken.

An untrained bowman will have a hard time to hit a stationary target 7m away. A revolver will hit most of the time and even without any training you will find it easy enough to load the weapon. Maintaining a bow is not much easier than a revolver.

Not using proper punctuation or capitalization will hurt your future job opportunities more.