For example, in a topic concerning whether or not the United States was justified in dropping the atomic bombs in Japan during WWII, a good amount of people responded that it was indeed justified because it even though it killed a lot of Japanese civilians, it probably would have saved more lives in the long run. Now in my opinion, I think it might have been a thought-out decision, but in no way was it completely justified. That would be like if you had two children that both needed liver transplants, but you only had one donor and you had to pick which child to save, you would pick the youngest child because he hasn't lived as much as the older sibling, then say to your older child, "Unfortunately, we're going to give the liver to your younger sibling, but it was a tough decision and we feel justified in making it."
Now, I can see that everyone has their own definition of "justification", but then I see these other posts about terrorism, and I keep seeing this same quote appear throughout them:
All Muslims may not be terrorists, but all terrorists are Muslim.
I know everyone is entitled to their own opinion, but using a stupid saying/statistic that doesn't even make sense to make their opinion appear as fact.
Basically, what I'm trying to ask is what makes people think like this and why are there so many people that think that way?