Tourist:
If self defence is allowed, then why can I not carry a pistol in the UK?
Because it is against the law. You have the right to self defence but you do not have the right to carry a pistol.
Not rocket science.
Civil Civilian, after that crap about the female spelling you may want to think about losing the 'Civil' bit.
As for your assertion that dropping bombs on people who only have rifles is somehow, what word shall I use, unfair, I suggest you are not very familiar with the application of Air Power.
Or indeed the history of armed Warfare.