Why do people get so angry with each other over politics?

Because each side wants to prove their right. It's like if your in an argument you want to prove that your right and not have the other person right and you wrong.  

Explanation:

1) the andrew carniage's purchase and renovation of skibo castle have been very good and auspicious for the local people of dornoch firth, scotland because this is a turistic attraction for many people who would want to know the castle, the local people would take advantage about this.

2) yes, it could.